Signs that he loves to inflict pain:
1.) He says afterwards, "We usually sedate people for that."
2.) His drill is by Black & Decker.
3.) The dentist's chair is located in a soundproof room.
4.) The hygienist wears skintight leather and carries a whip.
5.) Rather than take X-rays, he takes core samples.
6.) While you scream, he giggles.
7.) Just before you go under, you see him bring out a stun gun.
8.) The windows are blacked out.
9.) He advises you to gargle with Coke.
10.) The dentist's chair has restraining straps.
11.) There are blood spots on the ceiling.
12.) You have to sign a form in advance promising not to press charges.