Good oral health contributes to a healthy smile, teeth, and gums. Poor dental hygiene, on the other hand, can put you at risk for tooth decay, also known as a cavity or a rotten tooth. Decay is ...

If a person does not clean their teeth properly, the acid erodes the tooth enamel, slowly damaging them and leading to rotten teeth. Some people may have a higher risk of tooth decay.

Why a rotten tooth is hard to find. Brain can't distinguish pain coming from top versus bottom tooth. Share this: Email; Facebook; Reddit; Twitter; Print; By Laura Sanders. April 16, 2010 at 12:27 pm.