Refers to a denture that fits over remaining natural teeth. The attachment for an overdenture is usually placed in the tooth roots or in dental implants that are made specifically as an attachment for overdentures. There are two types of overdentures: Bar joint dentures and telescopic dentures. With bar joint dentures, the overdenture is usually secured into the jaw and any remaining teeth are fitted with locking devices to ensure a snug fit. The bar joints support the overdenture better than implants for people missing nearly all of their teeth, however, implants are still needed to lock the overdenture into place. Usually, the more implants that are inserted, the stronger the overdenture will be.

For patients suffering for decreased bone density, a telescopic denture is usually the best option. A telescopic denture is a type of overdenture that utilizes a double crown system of both metal crowns and outer crowns to cover the remaining teeth. This technique allows for a snug fitting denture that can be removed. The system works well for most patients; however, it does require numerous sessions with a cosmetic dentist, as well as root canal therapy and the insertion of a metal post for the remaining natural teeth.
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