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Tooth decay and cavities | what causes tooth cavities | what causes tooth cavities | what is a cavity in teeth in Hindi | how to prevent tooth decay |

Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes. Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, 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 infants.

If cavities aren't treated, they get larger and affect deeper layers of your teeth. They can lead to severe toothache, infection, and tooth loss. Regular dental visits and good brushing and flossing habits are your best protection against cavities and tooth decay.