A little prevention can go a long way and save money By Dr. Stephanie McGann, DMD, FAGD, Columnist, The Times Dentistry today is full of ways to help children grow up without the dozens of cavities that so many of their parents had.  One of the ways we work to prevent decay is by using pit and fissure sealants on the grooves of the back teeth.   Over 40 years ago my parents enrolled me in a study...