Who was the first dentist?

The correct answer is Hesi-Re.

The first known dental procedures took place in ancient Egypt, around 3000 BC. The person credited with being the first dentist is Hesi-Re, a physician who lived during the reign of King Djoser. Hesi-Re is believed to have performed dental work on high-ranking officials, and his tomb contains evidence of his dental tools, including drills and forceps.