Flip is a dentist. A walrus in the waiting room is apprehensive when he hears the screams of earlier patients…

Although only a dental assistant, Charlie pretends to be the dentist. After receiving too much anesthesia, a patient can’t stop laughing, so Charlie knocks him out with a club.

A woman goes to the dentist for a toothache and is given gas. On her way home on the subway she can’t stop laughing, and every other passenger catches the…