content: Just like all the bad teeth. Dr. Weston A Price roamed the world and found those on primitive diets with no dentists rarely had cavities (carries as he calls it) and had wide full jaws and no crowded teeth. Being white flour, sugar and "modern medicine" and everything goes to hell. http://journeytoforever.org/farm_library/price/pricetoc.html Nutrition and Physical Degeneration:  A Comparison of Primitive and Modern Diets and Their Effects BY. Weston A. Price, MS., D.D.S., F.A.G.D. Member Research Commission, American Dental Association Member American Association of Physical Anthropologists Author, "Dental Infections, Oral and Systemic"