As a regular exhibitor of Hong Kong electronics fair, Powsmart usually goes to attend the Globalsources Electronics and Components China Sourcing Fair twice a year (in April and in October). Therefore, you must have already seen Powsmart's booth again at AsiaWorld-Expo during April 11-14, 2017.
While many dentists will emphasize frequent brushing and flossing, it really does matter which kind of brush you use.
Sonic toothbrushes are electronically powered toothbrushes that operate at a frequency audible to the human ear and has been proven to be five times more efficient in dental hygiene than normal tooth brushing technique.
The forthcoming Prophix smart video toothbrush from Onvi aims to improve your brushing efficiency by showing you a live stream of the inside of your mouth -- on your phone.