Dentistry may have been around longer than we thought. The need for treating teeth has certaintly been around. Anthropologists have taken a closer look at 6,500 year old human remains from Slovenia and found evience of tooth fillings (made out of Beeswax!). Another interesting note is that by today’s standards, this individual had excessive attrition of the teeth, possibly caused by a diet that required extreme chewing. Here is a link to the article.