How to prevent tooth decay? Learn how to brush your teeth! How often have I tried to teach my kids how to brush their filthy little fangs, and do they do it? I despair! Will they let me brush their teeth? No! SCREAM! I want to buy a toothbrush that talks in a fun way, that teaches them... possibly by singing a little jingly tune... Front teeth top, front teeth bottom, back teeth right top... up down, up down, (not side-ways) the tune/instructions lasts for 2 minutes. The brush itself...