teeth stories

For things in your head that are designed to eat stuff, eating stuff seems to be kind of a big deal for teeth. They're always demanding to be brushed and flossed and rinsed and taken to the dentist and whatnot. Japan is having none of this, and scientists there have created tooth armor that can keep you from getting any more cavities.
Dental visits are filled with that uneasy feeling until you hear whether you have a cavity. If you do have a cavity, that uneasy feeling is turned to dread. Would it make you feel better to learn that a new filling procedure could work to kill bacteria and even help regrowth in vulnerable area of the tooth?