What causes tooth decay?

Answer by  Carrie55 (204)

In most cases, tooth decay is caused by plaque build-up. Plaque build-up leads to bacteria growth along the gum and tooth-line. That bacteria can break down tooth enamel and eat away at the tooth itself, causing cavities and decay.

Answer by  Brendawith (464)

The main causes of tooth decay are improper cleaning techniques and diet. A diet rich is sugar is a main cause of tooth decay. Be cautious also of "baby bottle decay" which stems from children being given a bottle and the milk allowed to pool inside the mouth.

Answer by  Latin4 (11170)

Not taking care of your teeth. Not getting them cleaned at least once a year. Your could have a gum desease, eat too much sugar, to many acidy foods. See your dentist.