Mark's Dental-Chair Discovery: Dentists are incapable of asking questions that require a simple yes or no answer.

There is this woman who grabbed her dentist by his private parts as he leaned over to begin working on her mouth. When he protested, the woman replied, "We're going to be very, very careful not to hurt each other aren't we?"

Maybe the magazines one finds in the dentist's waiting room are put there to indicate how long the dentist has been practicing.

Pardon me for a moment, please," said the dentist to the victim, "but before beginning this work I must have my drill."
"Good heavens, man!" exclaimed the patient irritably. "Can't you pull a tooth without a rehearsal?"