precision attachment

Prefabricated or laboratory-fabricated device for retaining a bridge or partial denture. Consists of male and female sections - one anchored in the restoration and the other in the retainer cemented to the supporting tooth or root.
Definition from Glossary
1: a retainer consisting of a metal receptacle (matrix) and a closely fitting part (patrix); the matrix is usually contained within the normal or expanded contours of the crown on the abutment tooth/dental implant and the patrix is attached to a pontic or the removable dental prosthesis framework 2: an interlocking device, one component of which is fixed to an abutment or abutments, and the other is integrated into a removable dental prosthesis in order to stabilize and/or retain it
pri˘-si˘zh′un a-tăch′mant