Fluoride is especially helpful if you’re at high risk of developing dental caries, or cavities. Cavities occur when bacteria build up on teeth and gums and form a sticky layer of plaque. Plaque produces an acid that erodes teeth and gum tissue. If the plaque breaks down the enamel layer, bacteria can infect and harm the nerves and blood at the core of the tooth.
• Toothache, spontaneous pain or pain that occurs without any apparent cause.
• Tooth sensitivity.
• Mild to sharp pain when eating or drinking something sweet, hot or cold.
• Visible holes or pits in your teeth.
• Brown, black or white staining on any surface of a tooth.
• Pain when you bite down.
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.
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