Are Electric Toothbrushes Waterproof? Are electric toothbrushes waterproof? Check the rating of the model you choose. An IPX7-rated handle is tested for temporary immersion, commonly described for a small handle as one meter of water for 30 minutes. That rating…
Can Electric Toothbrushes Cause Tooth Sensitivity? If your teeth feel sensitive after changing brushes, it is reasonable to ask: can electric toothbrushes cause tooth sensitivity? The timing alone does not identify the cause. Sensitivity can arise from exposed dentin, decay,…
Water Flosser for Bridges: How to Clean Under a Dental Bridge A water flosser for bridges may help clean beneath a fixed dental bridge. The false tooth, or pontic, can leave an area that a toothbrush cannot fully reach. Depending…
How to Clean an Electric Toothbrush Head? Cleaning an electric toothbrush head the right way is simple: rinse it under running water after each use, then store it upright in the open air to dry. If you choose a deeper…
How Often to Change a Toothbrush Head? How often should you change your toothbrush head? The usual recommendation is every three to four months, or sooner if the bristles are worn. Replace a manual toothbrush on the same schedule. Check…
Home › Water Flosser › History of Water Flossers Relish.Tech Contact Us → 📖 B2B Buyer Guide · Updated April 2026 The Complete History of Water Flossers: From 1962 to 2026 Explore the evolution of water flossers from their 1962…
Home › news › Where Are Oral-B Toothbrushes Manufactured? Updated: October 2026 Where Are Oral-B Toothbrushes Manufactured? P&G identifies Oral-B electric toothbrush manufacturing in Germany and Shanghai. Learn how to confirm a product’s origin and what to check when choosing…
In the U.S., FDA lists oral irrigation units under product code EFS as Class I medical devices. A water flosser’s intended use, design and claims determine whether it fits this category. Registration, where required, is different from FDA approval. What…
Electric toothbrush manufacturing is a coordinated process rather than a single assembly operation. A product typically moves from agreed requirements to a manufacturable design, sourced components, controlled assembly, validation, quality review, and production release. The exact route varies with the…
Electric toothbrush prices vary widely because the drive system, battery, electronics, accessories and sales channel all affect cost. This article explains the main manufacturing costs and how they relate to retail pricing and profit. Manufacturing cost An electric toothbrush usually…
Where are electric toothbrushes made, and how do the manufacturing locations of international brands differ from China’s OEM production clusters? Relish, an experienced Chinese manufacturer of oral care products, explains Oral-B’s manufacturing presence and the sourcing considerations in Guangdong, Jiangsu…
The History of the Water Flosser A water flosser, also called an oral irrigator, is a device for oral cleaning at home. In 1962, dentist Gerald Moyer and engineer John Mattingly developed an early water flosser in Fort Collins, Colorado.…
Sonic and ultrasonic toothbrushes sound similar, but they use different cleaning technologies. This guide explains their mechanisms, model-specific brushing techniques and practical features to compare when choosing a toothbrush. Sonic vs. ultrasonic: what do the terms mean? Ultrasound refers to…
Electric toothbrushes combine compact electronics with a carefully designed brushing mechanism. The vintage Broxodent advertisement below shows an early corded design—a useful starting point for exploring how today’s electric toothbrushes are built. The Broxodent shown here used a power cable.…
