Quiz

A schoolboy asked this question in one of the "What? Where? When?" games (I don't remember exactly when or in what format). The experts didn't answer, but a viewer won a prize for the best question.

In an advertisement for the "32 Normal" toothpaste, a tooth was shown with 4 roots (usually teeth have no more than 3 roots).

I think the next question should be asked by Ment, as he came closest to the correct answer.:)

P.S. After that broadcast, the video disappeared from the screens. Coincidence?:D