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The bacteria in plaque produce acids that erode tooth enamel, eventually creating a hole, or cavity, in the tooth surface. Left untreated, this decay can spread to the interior of the tooth, and might lead to the need for a crown, a root canal, or even extraction. When caught early, your dentist can treat your cavity conservatively by restoring your tooth’s function and appearance with a filling.
What kind of filling do you need?
Your choice of restoration will depend on the location of the cavity and how much of the tooth structure is affected.
Direct Filling
For most small to moderate cavities, direct fillings can be bonded to the tooth immediately after removing decay and cleaning and shaping the tooth.
Composite resin, dental amalgam, and glass ionomer fillings are typically used for this type of single-visit restoration.