precision attachment

precision attachment
(in dentistry) a special machined joint that holds certain types of partial denture in place. The attachment is in two parts, one fixed to the denture and the other fixed to a crown on one of the teeth abutting the denture.

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1. a device using a precision rest (q.v.) to attach fixed or removable partial dentures to the crown of an abutment tooth or a restoration; the two primary types are the intracoronal attachment and the extracoronal attachment. Called also precision anchorage. See also extracoronal a., intracoronal a., and semiprecision a. 2. intracoronal a.

Medical dictionary. 2011.

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