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How Do Dentists Fix Cavities?

Also known as dental caries, cavities are holes in the teeth. These holes develop when bacteria in the mouth feed on sugar and starches from food and drinks. As they feed, the bacteria produce acids that remove minerals and break down the tough layer of enamel that protects teeth. The erosion creates small holes, or cavities. At this stage, cavities are painless, so the infection may go unnoticed.