A cavity is a hole that forms on the surface of a tooth. Cavities are caused when sugars in the food we eat and bacteria in our mouths mix, producing a mild acid that eats away at the outer layer of our teeth (called enamel).
To help prevent cavities, one of our dentists or hygienists can apply a hard coat of resin, called a sealant, to the biting surface of your children’s molars or back teeth. This coating fills in the pits and grooves of the teeth (where cavities often start) and acts as a barrier between the teeth and the decay-causing acids that form in the mouth.
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