The Dentist - S3.E17

Laverne has a chipped tooth and goes to Shirley's dental student cousin Mikey. Laverne, as a favor to Shirley, allows Shirley's dentist cousin to fix her tooth. The only problem is he's a lousy dentist and Laverne can't let on that he's doing a terrible job as Shirley's cousin's professor is watching every move he makes.