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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:
New Jersey Dental Crowns. A dental crown, also known as a cap, is used for a tooth that has large areas of decay, large fillings, or is severely damaged. Porcelain dental crowns may also be used to create a complete smile makeoverâwhitening, straightening, closing gaps, and reshaping the existing teeth. Natural-Looking Dental Crowns.