OVERVIEW = Cavities are areas in the hard surface of your teeth that are damaged. These areas of tooth decay become tiny openings or holes that can lead to a serious toothache, infection and tooth loss. There are several causes of cavities, including bacteria in your mouth, snacking a lot, sipping sugary drinks and not cleaning your teeth well.
Cavities and tooth decay are among the world's most common health problems. They're especially common in children, teenagers and older adults. But anyone who has teeth can get cavities, including babies.
If cavities aren't treated, they get larger and affect deeper layers of your teeth. Regular dental visits and good brushing and flossing habits are the best ways to protect your teeth from cavities.
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