cavities

Preventing tooth decay Tooth decay is among the world's most common health problems. If cavities aren't treated, they can lead to severe toothache, infection and ...

DEAR MAYO CLINIC: Is it true that some children are more susceptible to getting cavities than others? My 11-year-old has never had a cavity, but my 6-year-old already has needed four fillings. What’s the best way to prevent cavities in kids? At what age should they start flossing? ANSWER: Some people may be more prone to tooth decay than others, even within the same family. To give your children the best protection against cavities, teach them the importance of dental health by showing them how to care for their teeth. That includes daily flossing from a very young age. It is important for parents to have good oral hygiene, too. Make sure you and your children see a dentist regularly. Tooth decay happens when areas in the hard surface of your teeth become damaged and develop holes, or cavities. If left untreated, the holes get bigger and can eventually lead to pain, infection and tooth loss. A combination of factors can trigger tooth decay, including bacteria in the mouth, teeth not being cleaned well, and eating or drinking lots of sugary foods and beverages.

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