{"id":5527,"date":"2026-05-19T06:02:38","date_gmt":"2026-05-19T06:02:38","guid":{"rendered":"https:\/\/relish-tech.com\/?p=5527"},"modified":"2026-10-11T07:10:50","modified_gmt":"2026-10-11T07:10:50","slug":"comment-fonctionnent-les-brosses-a-dents-electriques","status":"publish","type":"post","link":"https:\/\/relish-tech.com\/fr\/how-electric-toothbrushes-work\/","title":{"rendered":"Comment fonctionnent les brosses \u00e0 dents \u00e9lectriques : Guide technique complet 2026"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5527\" class=\"elementor elementor-5527\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e2c720 e-flex e-con-boxed e-con e-parent\" data-id=\"7e2c720\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e807c92 elementor-widget elementor-widget-html\" data-id=\"e807c92\" 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--relish-article-5527-label-0: \"\u5de6\u53f3\u6eda\u52a8\uff0c\u67e5\u770b\u6240\u6709\u5217\"; }\nhtml:lang(ja) { --relish-article-5527-label-0: \"\u6a2a\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3059\u3079\u3066\u306e\u5217\u3092\u8868\u793a\"; }\nhtml:lang(ko) { --relish-article-5527-label-0: \"\uac00\ub85c\ub85c \uc2a4\ud06c\ub864\ud558\uc5ec \ubaa8\ub4e0 \uc5f4 \ubcf4\uae30\"; }\n<\/style>\r\n\r\n\r\n\r\n<!-- Hero -->\r\n<section class=\"hero\">\r\n  <div class=\"hero-inner\">\r\n    <span class=\"hero-badge\">Electric Toothbrush Engineering<\/span>\r\n    <h2>Comment fonctionnent les brosses \u00e0 dents \u00e9lectriques :<br>Guide Technique Complet 2026<\/h2>\r\n    <p class=\"hero-lead\">Explore the motors, batteries, electronics and sealing systems inside electric toothbrushes, with practical engineering choices for OEM product development.<\/p>\r\n    <div class=\"hero-stats\">\r\n      <div class=\"hero-stat\"><span class=\"value\">48,000<\/span><span class=\"label\">Strokes\/Min on Vibrosonic\u2122 Models<\/span><\/div>\r\n      <div class=\"hero-stat\"><span class=\"value\">48,000<\/span><span class=\"label\">Strokes\/Min on Vibrosonic\u2122 Models<\/span><\/div>\r\n      <div class=\"hero-stat\"><span class=\"value\">3<\/span><span class=\"label\">Technology Platforms Explained<\/span><\/div>\r\n      <div class=\"hero-stat\"><span class=\"value\">14\u201321<\/span><span class=\"label\">Days Per Charge on Selected Models<\/span><\/div>\r\n    <\/div>\r\n    <p style=\"font-size:16px;opacity:0.7;margin-top:10px; color: #ffffff;\">Runtime examples assume two brushing sessions of two minutes each per day. Brush movement rates and battery performance depend on the model and operating mode.<\/p>\r\n  <\/div>\r\n<\/section>\r\n\r\n<!-- Breadcrumb -->\r\n<div class=\"container\">\r\n  <nav class=\"breadcrumb\" aria-label=\"Fil d\u2019Ariane\">\r\n    <a href=\"\/fr\/\">Accueil<\/a> \u203a <a href=\"\/fr\/nouvelles\/\">Blog<\/a> \u203a <span>Comment Fonctionnent les Brosses \u00e0 Dents \u00c9lectriques<\/span>\r\n  <\/nav>\r\n<\/div>\r\n\r\n\r\n\r\n<!-- Article -->\r\n<div class=\"container\">\r\n<article>\r\n\r\n<p class=\"lead\">Les brosses \u00e0 dents \u00e9lectriques sont des machines d'une complexit\u00e9 trompeuse. \u00c0 leur c\u0153ur, elles combinent des moteurs de pr\u00e9cision, des syst\u00e8mes de contr\u00f4le intelligents, des sources d'alimentation rechargeables et un design ergonomique dans un appareil qui tient dans la paume de votre main \u2014 tout en effectuant des dizaines de milliers de mouvements m\u00e9caniques pr\u00e9cis par s\u00e9ance de brossage. Ce guide d\u00e9compose exactement comment fonctionnent les brosses \u00e0 dents \u00e9lectriques, de la physique de la vibration sonique aux d\u00e9cisions d'ing\u00e9nierie qui fa\u00e7onnent la fabrication OEM.<\/p>\r\n\r\n<div class=\"key-takeaways\">\r\n  <h3>Les points \u00e0 retenir<\/h3>\r\n  <ul>\r\n    <li class=\"translation-block\">The three platforms covered here are <strong>sonique<\/strong>, <strong>oscillating-rotating<\/strong> et <strong>combination systems<\/strong> such as Relish Technology\u2019s Rotasonic\u2122. Each offers different drive mechanisms and product development options.<\/li>\r\n    <li class=\"translation-block\">Sonic toothbrushes clean through <strong>contact des poils<\/strong> and agitate the liquid around the brush head. Effective cleaning still depends on reaching tooth surfaces with the bristles.<\/li>\r\n    <li>The motor, PCB and battery sit inside a sealed handle. <strong>IPX7 applies to the tested enclosure<\/strong>, rather than separately certifying every internal component.<\/li>\r\n    <li>La technologie de batterie (Li-ion vs NiMH) impacte directement <strong>le poids, l'autonomie et le temps de charge<\/strong>, tous des points de d\u00e9cision OEM critiques<\/li>\r\n    <li>Pressure feedback can use force sensing, mechanical deflection or motor-load measurement to alert users when they exceed a <strong>model-specific brushing-pressure setting<\/strong>.<\/li>\r\n    <li>Les brosses \u00e0 dents intelligentes ajoutent un <strong>Bluetooth connectivity, sensors and a companion app<\/strong>. The underlying cleaning platform may be shared with a non-connected model.<\/li>\r\n    <li>For OEM buyers, the motor, battery, electronics, brush head, housing, finishing and packaging all affect the bill of materials (BOM) and the final quotation.<\/li>\r\n    <li class=\"translation-block\">Relish Technology\u2019s <strong>Vibrosonic\u2122 de Relish Technology<\/strong> offers up to <strong>48 000 coups\/min<\/strong> with a dual-harmonic drive approach. Select the operating profile to suit the product specification.<\/li>\r\n  <\/ul>\r\n<\/div>\r\n\r\n<h2>Les Trois Technologies de Base des Brosses \u00e0 Dents \u00c9lectriques<\/h2>\r\n\r\n<p>This guide compares sonic, oscillating-rotating and combination platforms. Their drive mechanisms influence head movement, noise, power consumption and cost, while the complete product design determines the final performance.<\/p>\r\n\r\n<h3>Technologie Sonique : Vibration \u00e0 Bobine Magn\u00e9tique<\/h3>\r\n\r\n<p>Many sonic toothbrushes use an electromagnetic drive system to create rapid movement at the brush head. The motor\u2019s magnetic circuit, suspension and output shaft determine whether that movement is linear, angular or a combination. \u201cSonic\u201d describes the operating approach; it does not mean every model uses the same voice-coil or linear resonant actuator.<\/p>\r\n\r\n<p class=\"translation-block\">In an electromagnetic drive, controlled current in the coil produces a changing magnetic force that moves the drive assembly. The shaft transfers that motion to the brush head. Keep frequency and movement counts separate: <strong>120\u2013240 Hz equals 7,200\u201314,400 complete cycles per minute<\/strong>. If each direction is counted as one stroke, that is 14,400\u201328,800 strokes\/min. Compare models only after checking how the manufacturer counts strokes.<\/p>\r\n\r\n<p>Rapid brush-head movement also agitates toothpaste and saliva near the bristles. This fluid movement is distinct from demonstrated clinical cleaning at a fixed distance. Guide the bristles over the tooth surfaces and gumline; a stated movement rate alone does not establish cleaning depth or a gingivitis-reduction result.<\/p>\r\n\r\n<p class=\"translation-block\">Relish Technology\u2019s proprietary <strong>Vibrosonic\u2122 de Relish Technology<\/strong> uses a controlled secondary harmonic layer alongside the main drive profile. For an OEM project, our engineers can help specify the movement rate, amplitude and brushing modes to achieve the intended brushing feel and product positioning.<\/p>\r\n\r\n<h3>Technologie Rotative-Oscillante : Moteur \u00e0 Engrenages CC<\/h3>\r\n\r\n<p class=\"translation-block\">Oscillating-rotating toothbrushes move the brush head back and forth through an angle. In a geared design, a small <strong>Moteur \u00e0 courant continu<\/strong> drives a transmission that converts shaft rotation into this alternating motion. Other architectures use different actuators or linkages, so the actual drive system should be checked in the product specification.<\/p>\r\n\r\n<p>Head movement is described by its oscillation rate and angular travel. An advertised 5,000\u201310,000 movements per minute should not be labelled \u201crpm\u201d unless it measures complete revolutions. Cleaning relies on <strong>contact des poils<\/strong>, with the alternating movement helping the user clean tooth surfaces.<\/p>\r\n\r\n<p>A geared DC drive can be a cost-effective option for an OEM project. Compare the complete transmission, noise, durability, head compatibility and assembly requirements with the sonic alternatives; motor price alone does not determine the best platform.<\/p>\r\n\r\n<h3>Technologie Combin\u00e9e \/ Rotasonic<\/h3>\r\n\r\n<p class=\"translation-block\">Comprendre le fonctionnement des brosses \u00e0 dents \u00e9lectriques avec la technologie combin\u00e9e r\u00e9v\u00e8le l'approche Rotasonic\u2122. La troisi\u00e8me cat\u00e9gorie est l'approche combin\u00e9e ou hybride \u2014 des appareils qui utilisent simultan\u00e9ment la vibration sonique et l'action rotative-oscillante. C'est l\u00e0 que se situe la <strong>Rotasonic\u2122<\/strong> technologie, d\u00e9velopp\u00e9e chez Relish Technology.<\/p>\r\n\r\n<p class=\"translation-block\">Rotasonic\u2122 brings sonic vibration and oscillating-rotating action into a <strong>dual-action cleaning platform<\/strong>. The actuator and transmission configuration depends on the model. OEM buyers can work with our engineers to compare head movement, brushing feel, noise and cost against the target specification.<\/p>\r\n\r\n<div class=\"info-box\"><strong>Choosing a technology for your brand:<\/strong> Existing planning ranges for drive components are USD 2.50\u20136.00 for a sonic electromagnetic drive and USD 1.00\u20133.00 for a geared DC drive. These are component-budget examples, not quotations for a finished toothbrush. A proposed USD 15\u201330 retail premium must be tested against customer demand, channel fees and the complete product cost.<\/div>\r\n\r\n<h2>L'Anatomie d'une Brosse \u00e0 Dents \u00c9lectrique<\/h2>\r\n\r\n<p>Au-del\u00e0 de la technologie de nettoyage principale, chaque brosse \u00e0 dents \u00e9lectrique contient un syst\u00e8me de composants interconnect\u00e9s qui travaillent ensemble pour offrir une exp\u00e9rience de brossage fiable, s\u00fbre et conviviale. Comprendre le fonctionnement des brosses \u00e0 dents \u00e9lectriques au niveau des composants aide les acheteurs OEM \u00e0 \u00e9valuer les compromis qualit\u00e9-co\u00fbt lors du d\u00e9veloppement de produits. Voici une analyse composant par composant.<\/p>\r\n\r\n<div class=\"component-grid\">\r\n  <div class=\"component-card\">\r\n    <h4>Batterie Rechargeable<\/h4>\r\n    <p>Rechargeable models may use Li-ion or NiMH cells. The existing 600\u20132,000 mAh range is a product-planning example; compare cell voltage and energy in Wh as well as capacity. Runtime and cycle life depend on the cell, charging system, load and temperature.<\/p>\r\n  <\/div>\r\n  <div class=\"component-card\">\r\n    <h4>Moteur et Circuit d'Entra\u00eenement<\/h4>\r\n    <p>The motor and driver circuit convert electrical power into brush-head movement. Electromagnetic and geared DC designs may require different power stages; an H-bridge is one possible arrangement.<\/p>\r\n  <\/div>\r\n  <div class=\"component-card\">\r\n    <h4>PCB et Microcontr\u00f4leur<\/h4>\r\n    <p>MCU 8\u201332 bits g\u00e8re les modes de brossage, la minuterie, l'entr\u00e9e du capteur de pression, les indicateurs LED et la communication BLE dans les mod\u00e8les intelligents.<\/p>\r\n  <\/div>\r\n  <div class=\"component-card\">\r\n    <h4>Capteur de pression<\/h4>\r\n    <p>Pressure detection may use a force sensor, a deflection mechanism or motor-load measurement. The controller compares the signal with a model-specific setting, then activates a warning or adjusts the motor.<\/p>\r\n  <\/div>\r\n  <div class=\"component-card\">\r\n    <h4>Syst\u00e8me de recharge<\/h4>\r\n    <p>Charging may use a dedicated inductive base or a wired connection such as USB-C. The input rating, charging time and compatible charger depend on the design. An inductive base is not automatically Qi-compatible.<\/p>\r\n  <\/div>\r\n  <div class=\"component-card\">\r\n    <h4>T\u00eate de Brosse et Arbre d'Entra\u00eenement<\/h4>\r\n    <p>T\u00eate rempla\u00e7able avec poils en nylon ou PBT. Connect\u00e9e au moteur via un arbre d'entra\u00eenement en acier inoxydable ou nylon. M\u00e9canisme de fixation par encliquetage ou verrouillage \u00e0 torsion.<\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<figure class=\"relish-article-illustration\" data-concept=\"01\" style=\"margin:28px auto;width:100%;max-width:960px;\"><img loading=\"lazy\" class=\"wp-image-7889\" src=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components.webp\" alt=\"Illustration conceptuelle \u00e9clat\u00e9e d&#039;une brosse \u00e0 dents \u00e9lectrique avec sa t\u00eate de brosse, son ensemble moteur, sa carte de circuit imprim\u00e9 et sa batterie.\" width=\"1024\" height=\"1536\" decoding=\"async\" style=\"display:block;width:100%;max-width:100%;height:auto;object-fit:contain;\" srcset=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components.webp 1024w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components-200x300.webp 200w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components-683x1024.webp 683w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components-768x1152.webp 768w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-main-components-8x12.webp 8w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption style=\"margin-top:10px;font-size:14px;line-height:1.5;text-align:center;\">Concept simplifi\u00e9 des composants d'une brosse \u00e0 dents \u00e9lectrique ; les configurations varient selon le mod\u00e8le. Il ne s'agit pas d'un dessin de production.<\/figcaption><\/figure>\n<h2>Le PCB et le Syst\u00e8me de Contr\u00f4le<\/h2>\r\n\r\n<p class=\"translation-block\">Le <strong>printed circuit board (PCB)<\/strong> carries the electronics that control modes, timing, indicators and optional sensors or connectivity. A 20\u201350 mm \u00d7 10\u201325 mm board is one layout example; dimensions depend on the handle and circuit design. Typical functions include:<\/p>\r\n\r\n<ul>\r\n  <li><strong>Microcontroller (MCU):<\/strong> An 8-bit or 32-bit controller runs the firmware. Select the device for processing, memory, power and interface requirements; a Bluetooth SoC may also perform this role.<\/li>\r\n  <li><strong>Pilote moteur :<\/strong> A power stage controlled by the MCU supplies the waveform and current required by the selected motor. The circuit may use an H-bridge, depending on the drive architecture.<\/li>\r\n  <li><strong>Clock source:<\/strong> An internal oscillator or external crystal provides the controller\u2019s timing reference. Some designs use a 32.768 kHz crystal for low-power timekeeping; the required clocks depend on the chosen controller.<\/li>\r\n  <li><strong>Interface du Capteur de Pression<\/strong>: Un canal de convertisseur analogique-num\u00e9rique (ADC) qui lit le changement de tension du capteur de pression<\/li>\r\n  <li><strong>Pilote LED<\/strong>: Circuit de r\u00e9sistance de limitation de courant + transistor contr\u00f4lant les LED indicatrices de mode<\/li>\r\n  <li><strong>SoC BLE<\/strong> (mod\u00e8les intelligents uniquement) : Un syst\u00e8me sur puce Bluetooth Low Energy (Nordic nRF52832 ou similaire) qui g\u00e8re la communication sans fil avec l'application compagnon<\/li>\r\n  <li><strong>Charging and battery protection:<\/strong> Charging control, voltage monitoring, temperature checks and protection functions are selected for the cell chemistry and product design. They may be integrated or implemented with separate circuits.<\/li>\r\n<\/ul>\r\n\r\n<div class=\"tech-flow\">\r\n  <div class=\"tech-node\">\r\n    <div class=\"node-num\">1<\/div>\r\n    <div class=\"node-label\">Batterie<\/div>\r\n    <div class=\"node-desc\">Li-ion 3,7 V<\/div>\r\n  <\/div>\r\n  <div class=\"tech-node\">\r\n    <div class=\"node-num\">2<\/div>\r\n    <div class=\"node-label\">MCU<\/div>\r\n    <div class=\"node-desc\">Logique de mode et minuterie<\/div>\r\n  <\/div>\r\n  <div class=\"tech-node\">\r\n    <div class=\"node-num\">3<\/div>\r\n    <div class=\"node-label\">CI Pilote<\/div>\r\n    <div class=\"node-desc\">MOSFET en pont H<\/div>\r\n  <\/div>\r\n  <div class=\"tech-node\">\r\n    <div class=\"node-num\">4<\/div>\r\n    <div class=\"node-label\">Moteur<\/div>\r\n    <div class=\"node-desc\">Bobine ou moteur CC<\/div>\r\n  <\/div>\r\n  <div class=\"tech-node\">\r\n    <div class=\"node-num\">5<\/div>\r\n    <div class=\"node-label\">T\u00eate de brosse<\/div>\r\n    <div class=\"node-desc\">Poils et arbre<\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<h2>Modes de Brossage et Minuteur par Quadrant<\/h2>\r\n\r\n<p>L'une des fonctionnalit\u00e9s les plus pr\u00e9cieuses des brosses \u00e0 dents \u00e9lectriques modernes \u2014 tant du point de vue du consommateur que de la conception OEM \u2014 est le <strong>syst\u00e8me de modes de brossage<\/strong>. Le fonctionnement des brosses \u00e0 dents \u00e9lectriques avec plusieurs modes d\u00e9pend de profils de fr\u00e9quence et d'amplitude contr\u00f4l\u00e9s par firmware, g\u00e9r\u00e9s par le microcontr\u00f4leur. Chaque mode poss\u00e8de un profil de fr\u00e9quence, d'amplitude et de timing diff\u00e9rent, offrant aux utilisateurs une flexibilit\u00e9 pour diff\u00e9rents besoins de soins bucco-dentaires.<\/p>\r\n\r\n<h3>Modes de brossage courants<\/h3>\r\n\r\n<div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-labelledby=\"work-table-0\"><table><caption id=\"work-table-0\">Illustrative mode profiles; settings and available modes vary by model.<\/caption>\r\n  <thead>\r\n    <tr>\r\n      <th scope=\"col\">Mode<\/th>\r\n      <th scope=\"col\">Fr\u00e9quence<\/th>\r\n      <th scope=\"col\">Amplitude<\/th>\r\n      <th scope=\"col\">Dur\u00e9e<\/th>\r\n      <th scope=\"col\">Intended Use<\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <td><strong>Nettoyage<\/strong><\/td>\r\n      <td>Fr\u00e9quence compl\u00e8te (ex. : 40 000 spm)<\/td>\r\n      <td>Standard<\/td>\r\n      <td>2 min<\/td>\r\n      <td>Usage quotidien, nettoyage complet<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Blanc \/ Polissage<\/strong><\/td>\r\n      <td>Compl\u00e8te + impulsion intermittente<\/td>\r\n      <td>Plus \u00e9lev\u00e9<\/td>\r\n      <td>2 min<\/td>\r\n      <td>\u00c9limination des taches de surface, buveurs de caf\u00e9\/th\u00e9<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Sensible<\/strong><\/td>\r\n      <td>60\u201370 % de la fr\u00e9quence maximale<\/td>\r\n      <td>R\u00e9duit<\/td>\r\n      <td>2 min<\/td>\r\n      <td>Users who prefer a gentler brushing feel<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Soin des gencives \/ Doux<\/strong><\/td>\r\n      <td>40\u201350 % du max, avec pulsations<\/td>\r\n      <td>Faible<\/td>\r\n      <td>3 min<\/td>\r\n      <td>Gentle gumline brushing<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Nettoyage de la langue<\/strong><\/td>\r\n      <td>Basse fr\u00e9quence, r\u00e9gulier<\/td>\r\n      <td>L\u00e9ger<\/td>\r\n      <td>30 sec<\/td>\r\n      <td>Haleine fra\u00eeche, enduit lingual<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Blanchiment<\/strong><\/td>\r\n      <td>Alternance haute\/basse fr\u00e9quence<\/td>\r\n      <td>Variable<\/td>\r\n      <td>3 min<\/td>\r\n      <td>Cycles am\u00e9lior\u00e9s d'\u00e9limination des taches<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n<p class=\"translation-block\">A <strong>Minuteur par quadrant<\/strong> gives a brief pause or signal every 30 seconds to prompt a change of brushing area. Four intervals support a two-minute session. This is a pacing aid; users still need to guide the brush over the inner, outer and chewing surfaces.<\/p>\r\n\r\n<div class=\"warning-box\">\r\n  <strong>Note de fabrication :<\/strong> Comprendre le fonctionnement s\u00e9curis\u00e9 des brosses \u00e0 dents \u00e9lectriques \u2014 y compris la protection des gencives \u2014 d\u00e9pend d'un \u00e9talonnage correct du capteur de pression. L'\u00e9talonnage du capteur de pression est l'un des points de contr\u00f4le qualit\u00e9 les plus critiques dans la production OEM. Un capteur mal \u00e9talonn\u00e9 se d\u00e9clenche soit trop facilement (frustrant les utilisateurs qui se brossent normalement), soit ne d\u00e9tecte pas une pression excessive (annulant l'objectif de s\u00e9curit\u00e9). La cha\u00eene de production de Relish Tech utilise des postes d'\u00e9talonnage de force automatis\u00e9s qui v\u00e9rifient le seuil de pression de chaque unit\u00e9 avec une pr\u00e9cision de \u00b110 g sur une plage de test de 50 \u00e0 300 g.\r\n<\/div>\r\n\r\n<h2>Technologie de batterie et syst\u00e8mes de charge<\/h2>\r\n\r\n<p>Battery selection affects handle weight, runtime, charging and cost. For an OEM project, compare the cell together with the motor load, standby consumption and charging circuit to match the target use pattern and retail positioning.<\/p>\r\n\r\n<h3>Lithium-Ion (Li-ion) vs Nickel-M\u00e9tal Hydrure (NiMH)<\/h3>\r\n\r\n<p>Li-ion cells are widely used in rechargeable toothbrush designs. Check the supplier\u2019s cell drawing and datasheet for voltage, dimensions and capacity. Cylindrical format names are approximate: a 14500 cell is nominally about 14 mm \u00d7 50 mm, while 14450 denotes about 14 mm \u00d7 45 mm. Dimensions, terminal details and capacity must be confirmed for the selected cell. Key selection factors include:<\/p>\r\n\r\n<ul>\r\n  <li><strong>Energy density:<\/strong> Compare the selected cells in Wh\/kg and Wh\/litre; a fixed threefold advantage does not apply to every Li-ion and NiMH design.<\/li>\r\n  <li><strong>Self-discharge:<\/strong> Cell chemistry, temperature and storage conditions affect charge retention. Low-self-discharge NiMH cells are available, so compare the selected cells\u2019 storage specifications.<\/li>\r\n  <li><strong>Charging habits:<\/strong> Li-ion cells can normally be topped up within the approved charging limits. Follow the cell supplier\u2019s voltage, current and temperature requirements.<\/li>\r\n  <li><strong>Cycle life:<\/strong> A full-equivalent cycle is cumulative discharge equal to the cell\u2019s rated capacity, not one brushing session. A 500-cycle rating must state the test conditions and retained-capacity criterion. Brushing frequency alone cannot convert that rating into years of service.<\/li>\r\n  <li><strong>Charging time:<\/strong> A 1\u20133 hour charge is possible on a design built for that rate. The battery, charger, thermal limits and power-management circuit determine the result, rather than the connector type alone.<\/li>\r\n<\/ul>\r\n\r\n<p>NiMH remains an option where cost, cell availability and the established charging design fit the project. It still requires appropriate charge control and protection against damaging operating conditions. Low-self-discharge variants can retain charge well, and memory-effect behaviour should not be generalised from NiCd batteries.<\/p>\r\n\r\n<h3>Syst\u00e8mes de charge : Inductif vs USB-C<\/h3>\r\n\r\n<p><strong>Inductive charging<\/strong> transfers energy between coils in the base and handle. The receiver rectifies and regulates that energy to charge the battery. Removing an exposed charging connector can simplify sealing, but charging efficiency, alignment, heat and full-charge time must be evaluated for the selected design. A dedicated toothbrush base does not necessarily support the Qi standard.<\/p>\r\n\r\n<p><strong>USB-C charging<\/strong> provides a convenient wired connection. Specify the input voltage and current, supported power protocol, charger compatibility and charging time. USB-C does not itself guarantee USB Power Delivery or a 1\u20133 hour charge. The port, surrounding housing and any cover must form a tested sealing system.<\/p>\r\n\r\n<figure class=\"relish-article-illustration\" data-concept=\"02\" style=\"margin:28px auto;width:100%;max-width:960px;\"><img loading=\"lazy\" class=\"wp-image-7890\" src=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options.webp\" alt=\"Illustration comparant une brosse \u00e0 dents \u00e9lectrique sur une base de charge inductive avec une conception de charge USB-C.\" width=\"1536\" height=\"1024\" decoding=\"async\" style=\"display:block;width:100%;max-width:100%;height:auto;object-fit:contain;\" srcset=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options.webp 1536w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options-300x200.webp 300w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options-1024x683.webp 1024w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options-768x512.webp 768w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/electric-toothbrush-charging-options-18x12.webp 18w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><figcaption style=\"margin-top:10px;font-size:14px;line-height:1.5;text-align:center;\">Concepts de charge par base inductive et USB-C pour les brosses \u00e0 dents \u00e9lectriques. Illustration conceptuelle.<\/figcaption><\/figure>\n<h2>R\u00e9sistance \u00e0 l'eau : IPX7 et le d\u00e9fi technique<\/h2>\r\n\r\n<p class=\"translation-block\">Water resistance depends on the complete enclosure and its seals. <strong>IPX7<\/strong> addresses temporary immersion under defined test conditions, commonly described for a small device as 1 metre for 30 minutes. It does not establish protection against water jets, all shower conditions or indefinite immersion, and it does not automatically apply to the charger. Follow the product\u2019s stated cleaning and charging instructions.<\/p>\r\n\r\n<h3>Enrobage et soudure ultrasonique<\/h3>\r\n\r\n<p><strong>Potting or encapsulation<\/strong> can protect selected electronics with a compatible epoxy or silicone material. It is one part of the sealing strategy alongside housing joints, shaft seals and charging interfaces. The existing USD 0.80\u20132.50 per-unit allowance is a planning example; material volume, curing, labour and repairability affect the final cost.<\/p>\r\n\r\n<p><strong>Soudage par ultrasons<\/strong> can join compatible plastic housing parts using high-frequency mechanical vibration. Equipment in the 20\u201340 kHz range is one example. Joint geometry, material and process settings determine weld strength and sealing quality; verify both on the finished assembly.<\/p>\r\n\r\n<p>Pour la zone de fixation de la t\u00eate de brosse \u2014 le point d\u2019\u00e9tanch\u00e9it\u00e9 le plus sollicit\u00e9 m\u00e9caniquement \u2014 des joints toriques en silicone ou un mastic liquide sont utilis\u00e9s. L\u2019arbre d\u2019entra\u00eenement traverse ce joint via une bague \u00e0 tol\u00e9rance serr\u00e9e, maintenant l\u2019\u00e9tanch\u00e9it\u00e9 tout en permettant un mouvement rotatif ou lin\u00e9aire.<\/p>\r\n\r\n<div class=\"tip-box translation-block\"><strong>Conseil de conception OEM :<\/strong> Plan the housing joints, shaft seal, electronics protection and charging interface before tooling. The existing 30\u201350% cost-saving estimate concerns a design-stage comparison with later rework; savings depend on the project. <a href=\"https:\/\/relish-tech.com\/fr\/guide-de-certification-oem-des-brosses-a-dents-electriques\/\" rel=\"noopener noreferrer\" target=\"_blank\">Consultez notre guide des certifications OEM<\/a> for requirements in your target markets.<\/div>\r\n\r\n<div class=\"cta-section\" style=\"margin:2rem 0;\">\r\n  <h2>Besoin d\u2019aide pour sp\u00e9cifier votre brosse \u00e0 dents \u00e9lectrique ?<\/h2>\r\n  <p>Vous vous demandez comment fonctionne une brosse \u00e0 dents \u00e9lectrique pour votre marque ? Nos ing\u00e9nieurs peuvent vous guider dans la s\u00e9lection du moteur, la strat\u00e9gie d\u2019\u00e9tanch\u00e9it\u00e9 et l\u2019optimisation des co\u00fbts BOM pour votre march\u00e9 cible.<\/p>\r\n  <a href=\"\/fr\/contact\/\" class=\"cta-btn\">Parlez \u00e0 notre \u00e9quipe d'ing\u00e9nierie<\/a>\r\n<\/div>\r\n\r\n<h2>Brosses \u00e0 dents intelligentes : capteurs, BLE et connectivit\u00e9 d\u2019application<\/h2>\r\n\r\n<p>Smart toothbrushes combine a brushing platform with <strong>Connectivit\u00e9 Bluetooth<\/strong>, optional sensors and companion software. A connected and non-connected model may share a motor or brush head, while other designs use different components. Specify the physical cleaning performance and the data functions separately.<\/p>\r\n\r\n<h3>Principales fonctions intelligentes et leurs capteurs<\/h3>\r\n\r\n<div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-labelledby=\"work-table-1\"><table><caption id=\"work-table-1\">Fonctionnalit\u00e9s intelligentes : capteurs et d\u00e9tails techniques<\/caption>\r\n  <thead>\r\n    <tr>\r\n      <th scope=\"col\">Fonctionnalit\u00e9 intelligente<\/th>\r\n      <th scope=\"col\">Capteur utilis\u00e9<\/th>\r\n      <th scope=\"col\">D\u00e9tail technique<\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <td><strong>Dur\u00e9e du brossage<\/strong><\/td>\r\n      <td>Horloge temps r\u00e9el (minuterie MCU)<\/td>\r\n      <td>Int\u00e9gr\u00e9e au MCU \u2014 aucun capteur suppl\u00e9mentaire n\u00e9cessaire<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>D\u00e9tection de pression<\/strong><\/td>\r\n      <td>Force sensor, deflection sensing or motor-load measurement<\/td>\r\n      <td>Position and calibration depend on the sensing design<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>D\u00e9tection de position<\/strong><\/td>\r\n      <td>IMU \u00e0 6 axes (acc\u00e9l\u00e9rom\u00e8tre + gyroscope)<\/td>\r\n      <td>Estimates movement and brushing zones through a validated algorithm<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Usure de la t\u00eate de brosse<\/strong><\/td>\r\n      <td>Usage timer or session counter; additional sensing if fitted<\/td>\r\n      <td>Prompts replacement based on use; does not directly measure every bristle\u2019s condition<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Sant\u00e9 de la batterie<\/td>\r\n      <td>Circuit int\u00e9gr\u00e9 de jauge de carburant (compteur de coulombs)<\/td>\r\n      <td>Estimates remaining charge; cycle and health data depend on the implementation<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Appairage Bluetooth<\/strong><\/td>\r\n      <td>Bluetooth Low Energy SoC<\/td>\r\n      <td>For example, a Nordic nRF52-series device; select for the required features<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n<p class=\"translation-block\">A <strong>six-axis inertial measurement unit (IMU)<\/strong> combines a three-axis accelerometer and three-axis gyroscope. Software can use these signals to estimate brushing movement and mouth zones. Accuracy depends on sensor placement, calibration, the algorithm and user behaviour. Zone feedback is an estimate of brushing activity, rather than a direct measurement of plaque removal or oral health.<\/p>\r\n\r\n<h3>La perspective OEM sur les co\u00fbts des brosses \u00e0 dents intelligentes<\/h3>\r\n\r\n<p>Smart functions add connectivity, sensing and software to a product that already uses electronic control. The existing USD 8\u201325 per-unit estimate is a planning allowance for additional hardware, not an app-development quotation. Check which components are already included in the base platform to avoid double-counting. Example budget items include:<\/p>\r\n\r\n<ul>\r\n  <li><strong>BLE SoC and antenna:<\/strong> USD 2.50\u20135.00 as a planning allowance. Nordic nRF52840 and Realtek RTL8762 are examples; suitability depends on the selected part and software requirements.<\/li>\r\n  <li><strong>Six-axis IMU:<\/strong> USD 1.50\u20134.00 as a planning allowance. Examples include TDK InvenSense ICM-42670 and <strong>Bosch Sensortec BMI270<\/strong>.<\/li>\r\n  <li><strong>Pressure sensing:<\/strong> USD 0.30\u20131.00 as a planning allowance; the sensing method and required calibration determine the actual cost.<\/li>\r\n  <li><strong>App development:<\/strong> An illustrative one-time budget of USD 30,000\u2013150,000 for iOS and Android. Scope separately for maintenance, cloud services, privacy controls and operating-system updates.<\/li>\r\n  <li><strong>Additional PCB layers and components:<\/strong> USD 1.00\u20133.00 as a planning allowance; confirm overlap with the selected connectivity and sensor modules.<\/li>\r\n<\/ul>\r\n\r\n<p>A USD 25\u201360 retail premium is a positioning example for a connected model. Assess the selling price alongside channel costs, software maintenance, returns and the complete product cost before estimating profitability.<\/p>\r\n\r\n<figure class=\"relish-article-illustration\" data-concept=\"03\" style=\"margin:28px auto;width:100%;max-width:960px;\"><img loading=\"lazy\" class=\"wp-image-7891\" src=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection.webp\" alt=\"Illustration conceptuelle reliant la d\u00e9tection et l&#039;\u00e9lectronique de commande de la brosse \u00e0 dents \u00e0 une application smartphone via Bluetooth.\" width=\"1774\" height=\"887\" decoding=\"async\" style=\"display:block;width:100%;max-width:100%;height:auto;object-fit:contain;\" srcset=\"https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection.webp 1774w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection-300x150.webp 300w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection-1024x512.webp 1024w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection-768x384.webp 768w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection-1536x768.webp 1536w, https:\/\/relish-tech.com\/wp-content\/uploads\/2026\/09\/smart-toothbrush-device-app-connection-18x9.webp 18w\" sizes=\"auto, (max-width: 1774px) 100vw, 1774px\" \/><figcaption style=\"margin-top:10px;font-size:14px;line-height:1.5;text-align:center;\">Flux de donn\u00e9es conceptuel capteur-contr\u00f4leur-application ; les fonctions des capteurs et les configurations des composants varient selon le mod\u00e8le.<\/figcaption><\/figure>\n<h2>Technologie de d\u00e9sinfection UV<\/h2>\r\n\r\n<p class=\"translation-block\">A UV sanitizing base uses a separate <strong>UV-C light system<\/strong> to reduce microorganisms on exposed brush-head surfaces. Wavelength, dose, exposure time, lamp placement, shadows and the tested organism determine the result. A 254 nm lamp and a 5\u201310 minute cycle describe particular designs; they do not establish a universal 99.9% reduction for all bacteria and viruses. Use product-specific test results for performance claims, and prevent eye or skin exposure with an enclosed design and suitable interlocks.<\/p>\r\n\r\n<p>UV-C sources may include low-pressure mercury lamps or UV-C LEDs. Compare wavelength, delivered dose, thermal management, service life, material compatibility and disposal requirements for the selected source. Lamp type alone does not determine which complete sanitizer is more effective or durable.<\/p>\r\n\r\n<p>The existing USD 3.50\u20138.00 BOM allowance illustrates a UV-base option. The light source, enclosure, control system and safety interlocks affect cost and packaging size. Position the feature using the selected product\u2019s tested performance.<\/p>\r\n\r\n<h2>T\u00eates de brosse : science et ing\u00e9nierie des brins<\/h2>\r\n\r\n<p>Alors que le manche contient toute l'intelligence \u00e9lectronique, la t\u00eate de brosse est l\u00e0 o\u00f9 le nettoyage se produit r\u00e9ellement. Comprendre comment fonctionnent les brosses \u00e0 dents \u00e9lectriques pour offrir des soins bucco-dentaires efficaces n\u00e9cessite de conna\u00eetre l'ing\u00e9nierie des t\u00eates de brosse \u2014 le mat\u00e9riau des brins, le diam\u00e8tre, la configuration des touffes et les propri\u00e9t\u00e9s de flexion influencent tous les performances de nettoyage et l'exp\u00e9rience utilisateur.<\/p>\r\n\r\n<h3>Mat\u00e9riaux des brins<\/h3>\r\n\r\n<p class=\"translation-block\">Brush-head performance depends on <strong>filament material, diameter, length, taper and tuft arrangement<\/strong>. Nylon 612 and PBT are material options; PBT is not automatically softer than nylon. Define the required brushing feel and inspect filament ends, tuft retention and mechanical performance against the applicable specification. <strong>ISO 20127:2025<\/strong> covers physical properties of powered toothbrushes; its end-rounding requirements have exceptions for specified filament types, so a universal tip-radius rule is inappropriate.<\/p>\r\n\r\n<h3>Brins indicateurs<\/h3>\r\n\r\n<p><strong>Colour-fading indicator bristles<\/strong> provide a visual replacement reminder. Fading depends on the filament treatment, brushing habits and exposure; it is not a precise three-month clock. The existing USD 0.05\u20130.15 per-head allowance is a planning example. Colour-treated or mixed-colour filaments do not inherently require two-material injection moulding. Follow the brush-head replacement instructions and replace sooner when the bristles are worn.<\/p>\r\n\r\n<h2>Fabrication OEM : de la s\u00e9lection des composants \u00e0 la production de masse<\/h2>\r\n\r\n<p class=\"translation-block\">Comprendre comment fonctionnent les brosses \u00e0 dents \u00e9lectriques d'un point de vue fabrication est la base pour prendre des d\u00e9cisions d'approvisionnement OEM intelligentes. Chaque choix technique \u2014 type de moteur, capacit\u00e9 de la batterie, m\u00e9thode d'\u00e9tanch\u00e9it\u00e9, int\u00e9gration de capteurs intelligents \u2014 a un impact direct et quantifiable sur le co\u00fbt de fabrication, la qualit\u00e9 du produit et le positionnement au d\u00e9tail. <a href=\"https:\/\/relish-tech.com\/fr\/guide-de-fabrication-de-brosses-a-dents-electriques-oem-odm\/\" rel=\"noopener noreferrer\" target=\"_blank\">Lisez notre guide OEM pour brosses \u00e0 dents \u00e9lectriques<\/a> pour une analyse plus approfondie du parcours de fabrication.<\/p>\r\n\r\n<p>At Relish Technology, motor engineering, electronics, sealing and app connectivity inform the development process. The following 28-week schedule illustrates a new-product project; an existing platform or a more complex programme will follow a different timeline.<\/p>\r\n\r\n<ol>\r\n  <li><strong>Validation du concept<\/strong> (semaines 1 \u00e0 4) : D\u00e9finir la sp\u00e9cification du produit \u2014 type de technologie (sonique\/rotative\/Rotasonic), march\u00e9s cibles, certifications requises, niveau de prix. Cela oriente toutes les d\u00e9cisions ult\u00e9rieures.<\/li>\r\n  <li><strong>D\u00e9veloppement du prototype<\/strong> (semaines 5 \u00e0 12) : Construire des prototypes fonctionnels du manche, de l'\u00e9lectronique et de la t\u00eate de brosse. Tester les performances du moteur, l'autonomie de la batterie, l'\u00e9tanch\u00e9it\u00e9 et le firmware du PCB. Quantit\u00e9 typique de prototypes : 3 \u00e0 10 unit\u00e9s.<\/li>\r\n  <li><strong>Validation de pr\u00e9-production<\/strong> (semaines 13 \u00e0 20) : Tests de validation d'ing\u00e9nierie (EVT) et tests de validation de conception (DVT) \u2014 tests d'immersion IPX7, tests de chute, tests CEM, tests de cycle de batterie et tests de pr\u00e9-conformit\u00e9 r\u00e9glementaire.<\/li>\r\n  <li><strong>Pr\u00e9paration de la production de masse<\/strong> (semaines 21 \u00e0 28) : Ach\u00e8vement de l'outillage, premi\u00e8re inspection d'article, essai pilote (100 \u00e0 300 unit\u00e9s) et mise en place du syst\u00e8me qualit\u00e9 incluant les plans d'\u00e9chantillonnage AQL.<\/li>\r\n  <li class=\"translation-block\"><strong>Production and shipment:<\/strong> Full production combines in-process checks, functional testing and agreed sampling inspections. Define defect categories and acceptance criteria in the quality agreement. Safety-critical defects require a zero-acceptance approach; an AQL value must not be presented as permission to ship a known critical defect. <a href=\"https:\/\/relish-tech.com\/fr\/fabrication\/\" rel=\"noopener noreferrer\" target=\"_blank\">Visite de nos installations de production<\/a> pour voir nos capacit\u00e9s de production de premi\u00e8re main.<\/li>\r\n<\/ol>\r\n\r\n<div class=\"info-box translation-block\"><strong>La diff\u00e9rence Relish Technology :<\/strong> Notre <a href=\"https:\/\/relish-tech.com\/fr\/a-propos-de\/\" rel=\"noopener noreferrer\" target=\"_blank\">plus de 15 ans de fabrication de brosses \u00e0 dents \u00e9lectriques<\/a> and work with <a href=\"https:\/\/relish-tech.com\/fr\/etudes-de-cas\/\" rel=\"noopener noreferrer\" target=\"_blank\">plus de 300 clients de marques<\/a> support OEM projects from motor selection to compliance planning. Our team helps with FDA requirements in the US, CE marking in the EU, PSE requirements in Japan and TISI requirements in Thailand, as applicable to the product. <a href=\"https:\/\/relish-tech.com\/fr\/certifications\/\" rel=\"noopener noreferrer\" target=\"_blank\">Review our certifications and compliance documentation<\/a>, including ISO 13485. Custom orders start at 1,000 units, with flexibility according to the order; wholesale orders for in-stock products start at 50 units. Our on-site IPX7 test tank, EMC pre-compliance lab and automated pressure-calibration stations are available to OEM clients through our development process.<\/div>\r\n\r\n<h2>Comment choisir la bonne technologie pour votre marque<\/h2>\r\n\r\n<p>Avec les fondations techniques \u00e9tablies, voici un cadre d\u00e9cisionnel pour les propri\u00e9taires de marques et les responsables des achats qui s\u00e9lectionnent un partenaire OEM pour le d\u00e9veloppement de brosses \u00e0 dents \u00e9lectriques. Comprendre le fonctionnement des brosses \u00e0 dents \u00e9lectriques dans les trois cat\u00e9gories technologiques \u2014 sonique, rotation-oscillation et Rotasonic\u2122 \u2014 permet des \u00e9changes plus \u00e9clair\u00e9s avec les fabricants et des sp\u00e9cifications produit plus pr\u00e9cises.<\/p>\r\n\r\n<div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-labelledby=\"work-table-2\"><table><caption id=\"work-table-2\">Illustrative platform comparison; costs, noise and performance depend on the product design.<\/caption>\r\n  <thead>\r\n    <tr>\r\n      <th scope=\"col\">Crit\u00e8res<\/th>\r\n      <th scope=\"col\">Sonique<\/th>\r\n      <th scope=\"col\">Rotation-Oscillation<\/th>\r\n      <th scope=\"col\">Rotasonic\u2122 (Combinaison)<\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <td><strong>Fourchette de co\u00fbt BOM<\/strong><\/td>\r\n      <td>$12-$28<\/td>\r\n      <td>$8-$20<\/td>\r\n      <td>$18\u2013$38<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Positionnement du prix de d\u00e9tail<\/strong><\/td>\r\n      <td>Milieu \u00e0 Premium<\/td>\r\n      <td>Entr\u00e9e \u00e0 Milieu<\/td>\r\n      <td>Premium \u00e0 Ultra-Premium<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Niveau de bruit<\/strong><\/td>\r\n      <td>Depends on drive, mounting and operating mode<\/td>\r\n      <td>Depends on drive, gearing and operating mode<\/td>\r\n      <td>Depends on the combined drive design<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td>Cleaning Action<\/td>\r\n      <td>Bristle movement and nearby liquid agitation<\/td>\r\n      <td>Alternating angular movement with bristle contact<\/td>\r\n      <td>Combined sonic and oscillating-rotating movement<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Meilleure ad\u00e9quation au march\u00e9<\/strong><\/td>\r\n      <td>Marques grand public premium<\/td>\r\n      <td>Marques de valeur, Amazon FBA<\/td>\r\n      <td>Brands seeking a dual-action platform<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td><strong>Ad\u00e9quation aux fonctions intelligentes<\/strong><\/td>\r\n      <td>Excellent<\/td>\r\n      <td>Bon<\/td>\r\n      <td>Excellent<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n<!-- CTA -->\r\n<div class=\"cta-section\">\r\n  <h2>Pr\u00eat \u00e0 lancer votre projet de brosse \u00e0 dents \u00e9lectrique OEM ?<\/h2>\r\n  <p>Que vous lanciez une nouvelle marque, \u00e9largissiez une gamme existante ou recherchiez des produits pour la vente au d\u00e9tail \u2014 Relish Technology's engineering team peut vous aider \u00e0 s\u00e9lectionner la bonne plateforme technologique et \u00e0 naviguer tout au long du parcours, du concept \u00e0 la production de masse.<\/p>\r\n  <a href=\"\/fr\/contact\/\" class=\"cta-btn\">Parlez \u00e0 notre \u00e9quipe d'ing\u00e9nierie<\/a>\r\n  <p class=\"sub\">ISO 13485 \u00b7 FDA\/CE Compliance Support \u00b7 15+ Years OEM Experience \u00b7 20,000 m\u00b2 Manufacturing Facility<\/p>\r\n<\/div>\r\n\r\n<!-- Related -->\r\n<div class=\"related\">\r\n  <h3>Related Engineering Guides<\/h3>\r\n  <div class=\"related-grid\">\r\n    <a href=\"https:\/\/relish-tech.com\/fr\/brosse-a-dents-electrique-sonique-vs-oscillante-rotative\/\" class=\"related-link\">Sonique vs Oscillo-Rotative<\/a>\r\n    <a href=\"https:\/\/relish-tech.com\/fr\/caracteristiques-de-la-brosse-a-dents-electrique\/\" class=\"related-link\">Guide des caract\u00e9ristiques des brosses \u00e0 dents \u00e9lectriques<\/a>\r\n    <a href=\"https:\/\/relish-tech.com\/fr\/brosse-a-dents-electrique-pour-dents-sensibles\/\" class=\"related-link\">Brosse \u00e0 dents pour dents sensibles<\/a>\r\n    <a href=\"https:\/\/relish-tech.com\/fr\/brosse-a-dents-intelligente-avec-application\/\" class=\"related-link\">Guide des brosses \u00e0 dents intelligentes et de l'IdO<\/a>\r\n    <a href=\"https:\/\/relish-tech.com\/fr\/brosse-a-dents-electrique-vs-manuelle\/\" class=\"related-link\">Brosse \u00e0 dents \u00e9lectrique vs manuelle<\/a>\r\n  <\/div>\r\n  <div style=\"margin-top:14px;\">\r\n    <h3 style=\"margin-bottom:0.75rem;\">More Guides for Oral Care Brands<\/h3>\r\n    <div class=\"related-grid\"><a class=\"related-link\" href=\"https:\/\/relish-tech.com\/fr\/sourcing-de-soins-bucco-dentaires-en-chine\/\">Sourcing from China<\/a>\n<a class=\"related-link\" href=\"https:\/\/relish-tech.com\/fr\/marque-de-soins-bucco-dentaires-amazon-fba\/\">Amazon FBA &amp; Oral Care<\/a>\n<a class=\"related-link\" href=\"https:\/\/relish-tech.com\/fr\/guide-du-marche-des-brosses-a-dents-electriques-2026\/\">Guide du March\u00e9 des Brosses \u00e0 Dents \u00c9lectriques 2026<\/a><\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<!-- FAQ -->\r\n<div class=\"faq-section\">\r\n  <h2>Questions fr\u00e9quentes<\/h2>\r\n  <p>Answers to common questions about electric toothbrush mechanisms, components, charging, sensors and OEM product development.<\/p>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Quel est le m\u00e9canisme de base d'une brosse \u00e0 dents \u00e9lectrique ?<\/div>\r\n    <div class=\"faq-a\">An electric toothbrush converts electrical energy into controlled brush-head movement. The drive may produce sonic vibration, oscillating-rotating motion or a combination. In a rechargeable model, the battery supplies a control board and motor driver; the firmware manages features such as modes, timing and optional pressure feedback. Effective use still depends on guiding the bristles over the tooth surfaces.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Quelle est la diff\u00e9rence entre les brosses \u00e0 dents soniques et rotatives-oscillantes ?<\/div>\r\n    <div class=\"faq-a\">Sonic designs produce rapid brush-head movement, often through an electromagnetic drive, and agitate liquid around the bristles. Oscillating-rotating designs move the head back and forth through an angle. Compare movement counts using the same definition: a stroke, a complete oscillation and a full revolution are different quantities. Neither a higher number nor the drive category alone establishes deeper clinical cleaning.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">En quoi la technologie Vibrosonic diff\u00e8re-t-elle des brosses \u00e0 dents soniques standard ?<\/div>\r\n    <div class=\"faq-a\">Vibrosonic\u2122 is Relish Technology\u2019s proprietary sonic platform, offering up to 48,000 strokes\/min with a controlled secondary harmonic layer. For an OEM project, our engineering team can help select the movement profile, amplitude and modes for the target product. Performance comparisons should use the specific models and test methods involved.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Quels sont les composants \u00e0 l'int\u00e9rieur d'une brosse \u00e0 dents \u00e9lectrique ?<\/div>\r\n    <div class=\"faq-a\">A rechargeable electric toothbrush generally contains a battery, motor or electromagnetic drive, control PCB, motor-driver circuitry, charging interface, drive shaft and brush head. Depending on the model, it may add pressure detection, Bluetooth connectivity, an IMU or other sensors. Some functions share an integrated controller, so the component count varies by design.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Comment fonctionnent les capteurs de pression dans les brosses \u00e0 dents \u00e9lectriques ?<\/div>\r\n    <div class=\"faq-a\">Pressure feedback may use a force sensor, mechanical deflection or motor-load measurement. The controller responds when the signal exceeds the model\u2019s configured setting, for example with an indicator, reduced motor power or an app alert. A 150\u2013200 g setting is not a universal gum-injury threshold. Relish Tech\u2019s automated force-calibration stations verify settings to \u00b110 g across a 50\u2013300 g test range.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Quelle est la dur\u00e9e de vie de la batterie d'une brosse \u00e0 dents \u00e9lectrique typique ?<\/div>\r\n    <div class=\"faq-a\">Selected rechargeable models offer 14\u201321 days per charge, while other models may provide 7\u201310 days, assuming two sessions of two minutes each per day. Capacity, drive load, operating mode and standby functions affect runtime. A 600\u20132,000 mAh capacity range is an example, not a guarantee for every model. Charging time and cycle life must be checked for the selected cell and charging design; USB-C alone does not determine charging speed.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Pourquoi certaines brosses \u00e0 dents \u00e9lectriques ont-elles des sanitaires UV ?<\/div>\r\n    <div class=\"faq-a\">A UV-C base provides an additional brush-head hygiene feature. Its effectiveness depends on the delivered dose, cycle, geometry and tested microorganisms; wavelength alone does not establish a 99.9% reduction. Use an enclosed, appropriately interlocked system and product-specific performance evidence. The existing USD 3.50\u20138.00 BOM allowance is an illustrative budget. Rinse the brush head after use and follow the product\u2019s drying and storage instructions.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"faq-item\">\r\n    <div class=\"faq-q\">Comment une brosse \u00e0 dents \u00e9lectrique intelligente se connecte-t-elle \u00e0 une application t\u00e9l\u00e9phonique ?<\/div>\r\n    <div class=\"faq-a\">A Bluetooth Low Energy SoC links the toothbrush with its companion app. Depending on the design, the device can send session duration, mode, pressure events and estimated brushing-zone data. The app may provide coaching, session records and cloud syncing. Specify supported functions, mobile compatibility, privacy controls and ongoing software maintenance; an app\u2019s brushing feedback is not a clinical diagnosis.<\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<!-- References -->\r\n<div class=\"references\">\r\n  <h3>R\u00e9f\u00e9rences et sources<\/h3>\r\n  <ol>\r\n    <li>American Dental Association. <em>Brosses \u00e0 dents<\/em>. <a href=\"https:\/\/www.ada.org\/resources\/ada-library\/oral-health-topics\/toothbrushes\" rel=\"noopener noreferrer\" target=\"_blank\">Brosses \u00e0 dents<\/a>.<\/li>\r\n    <li>Commission \u00e9lectrotechnique internationale. <em>IEC 60335-2-52:2021 \u2014 Particular requirements for oral hygiene appliances<\/em>. <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/67807\" rel=\"noopener noreferrer\" target=\"_blank\">IEC 60335-2-52:2021 \u2014 Particular requirements for oral hygiene appliances<\/a>.<\/li>\r\n    <li>International Organization for Standardization. <em>ISO 20127:2025 \u2014 Dentistry \u2014 Physical properties of powered toothbrushes<\/em>. <a href=\"https:\/\/www.iso.org\/standard\/82097.html\" rel=\"noopener noreferrer\" target=\"_blank\">ISO 20127:2025 \u2014 Dentistry \u2014 Physical properties of powered toothbrushes<\/a>.<\/li>\r\n    <li>U.S. Food and Drug Administration. <em>Powered toothbrush classification: JEQ, 21 CFR 872.6865, Class I; 510(k)-exempt within applicable limits<\/em>. <a href=\"https:\/\/www.accessdata.fda.gov\/scripts\/cdrh\/cfdocs\/cfpcd\/classification.cfm?id=JEQ\" rel=\"noopener noreferrer\" target=\"_blank\">Powered toothbrush classification: JEQ, 21 CFR 872.6865, Class I; 510(k)-exempt within applicable limits<\/a>.<\/li>\r\n    <li>Nordic Semiconductor. <em>nRF52840 Product Specification<\/em>. <a href=\"https:\/\/docs.nordicsemi.com\/r\/bundle\/ps_nrf52840\/page\/keyfeatures_html5.html\" rel=\"noopener noreferrer\" target=\"_blank\">nRF52840 Product Specification<\/a>.<\/li>\r\n    <li>Bosch Sensortec. <em>BMI270 inertial measurement unit<\/em>. <a href=\"https:\/\/www.bosch-sensortec.com\/en\/products\/motion-sensors\/imus\/bmi270\" rel=\"noopener noreferrer\" target=\"_blank\">BMI270 inertial measurement unit<\/a>.<\/li>\r\n  <\/ol>\r\n<\/div>\r\n\r\n<\/article>\r\n<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Electric Toothbrush Engineering How Electric Toothbrushes Work:Complete Technical Guide 2026 Explore the motors, batteries, electronics and sealing systems inside electric [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7889,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-5527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-tech"],"_links":{"self":[{"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/posts\/5527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/comments?post=5527"}],"version-history":[{"count":30,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/posts\/5527\/revisions"}],"predecessor-version":[{"id":8446,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/posts\/5527\/revisions\/8446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/media\/7889"}],"wp:attachment":[{"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/media?parent=5527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/categories?post=5527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/relish-tech.com\/fr\/wp-json\/wp\/v2\/tags?post=5527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}