While a new electric toothbrush or toothpaste won't be able to solve a cavity you already have, good habits like brushing twice a day with an effective toothbrush and flossing regularly are smart ...

Therefore, convenience would be my first concern if I could invent a perfect toothbrush. I want to combine toothpaste and toothbrushes together. Squeeze the bottom of the toothbrush, and an ...