9,000-Year-Old Drilled Teeth Are Work of Stone Age Dentists: "...encroaching on the [tooth's] pulp cavity would cause pain, and leaving these holes so close to the pulp cavity, where they would accumulate food and lead to infection and continue to cause pain, would hardly seem to be therapeutic" reports National Geographic.
The drilled teeth were found at an excavation site in Pakistan. The researchers are a little confused about why the teeth were drilled so close to the pulp cavity. It's easy. As explained by Ogden Nash himself in his famous treatise on dentistry:
"And you totter to your feet and think. Well it's all over now and after
all it was only this once.
And he says come back in three monce.
And this, O Fate, is I think the most vicious circle that thou ever sentest,
That Man has to go continually to the dentist to keep his teeth in good
condition when the chief reason he wants his teeth in good condition
is so that he won't have to go to the dentist."
On another note, we can add dentistry (what if it's a hashed job and in Pakistan) to the list of ancient Indian achievements. No?
Sepia Mutiny has more on the issue here and Wired has it here.