If you ever wondered if cavemen had dentists, guess what: they in fact did, to some extent. A finding that was discovered in Slovenia of a Neolithic tooth shows clear-cut evidence that there was dentistry at this point in time.
While there is some back and forth debate over whether the beeswax filling found in this tooth was placed inside of it to remedy a dental issue that was being experienced by the patient while he was alive, researchers and experts think that it was because of the placement of the filling; which protects the exposed dentin in the tooth by filling the cavity with beeswax.