What is the main cause of tooth decay?
Correct answer: Bacteria
Unreal Neil.
little b, Everyone has bacteria...
sb
Clean your teeth daily.
Andi
ganisgone, that and drinking great-tasting soda because it has lots of sugar in it.
Flower demon
in my childhood , my almost tooth was decay
ganisgone
eating cereal like Trik, Lucky Charms, frosted flakes cuz their great. Sugar is a good start to having cavities.