Here I sit, upon your tooth cozy in this ivory booth. On the molar, in the back I started with a tiny crack. I hope you don't mind me growing here I'm having fun I have no fear. You brush and brush (twice, today!) but you still can't make me go away. You tried the special toothpaste blend that nine out of ten dentists recommend But I'm still here in your mouth and if you don't catch me I will travel south Into the root, and onto the nerve then I might make a curve... I'll spread myself to the tooth next door if you don't stop me, I'll do more. I don't mean to scare you I mean what I say I am your friendly tooth decay.