A doorknob and a string would be preferable treatment. A Mooslime with drills and sharp objects is a frightening thought.
This dentist needs to “Butt out”.
Anyone Infidel who voluntarily places himself in the care of a Moslem doctor, dentist, hey or even EMT, is accepting just a little more risk than necessary. The fellow one day will feel that it is time to get serious about his religion and its unavoidable component of Jihad.