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A crown is a cover or âcapâ your dentist can put on a tooth. The crown restores the tooth to its normal shape, size and function. The purpose of a crown is to make the tooth stronger or improve the way it looks. You may need a crown if you:
The part of your tooth above your gum: Also a crown is a dental appliance that replaces and covers the entire part of a tooth above the gum line. A crown may be made of gold, porcelain, or a combination of other man-made materials.