There actually hadn't been much research done on it until relatively recently (and probably still not enough), so your dentist was just following the common kno

There actually hadn't been much research done on it until relatively recently (and probably still not enough), so your dentist was just following the common knowledge of the time. Here's a link: http://www.cochrane.org/CD008829/ORAL_flossing-to-reduce-gum-disease-and-tooth-decay#sthash.NDg6RK7U.dpuf http://www.cochrane.org/CD008829/ORAL_flossing-to-reduce-gum...