Cars have been cleaned for years using high-pressure hoses that rely on water droplets moving at high speed to displace dirt. A number of people have thought of trying the same idea with teeth to remove food, bacteria and plaque from the teeth.
Dentists have in-fact been worried about the issue of over-brushing and toothpaste 'abuse' for a while. With more abrasive whitening toothpastes on the market, more people are brushing and brushing their way to a brighter smile. Dr. David Bennet, who is also a dentist, says that damages the gum line and that's when problems can begin.