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 caused ...

Tooth decay causes the destruction of enamel, which is the hard outer surface of a tooth. As tooth decay progresses, it can attack deeper layers of a tooth, leading to cavities. Treatments can include ...

Toothaches are often caused by tooth decay, followed by other dental-related conditions, like gum disease, impacted wisdom teeth, or trapped food particles. Non-dental-related conditions can also ...

Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak. Read on to learn more ...

Add Yahoo as a preferred source to see more of our stories on Google. Tooth decay is largely caused by sugar, which interacts with bacteria on our teeth to cause damage. (Getty Images) (Catherine ...

Jeffrey Ebersole receives funding from the National Institutes of Health. To “cry poor mouth” is an expression used to habitually complain about a lack of money. A literal poor mouth, however, ...