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.
Please note
n (15c)
Definition from Glossary
1: a mechanical device for the fixation, retention, and stabilization of a prosthesis 2: a retainer consisting of a metal receptacle and a closely fitting part; the former (the female {matrix} component) is usually contained within the normal or expanded contours of the crown of the abutment tooth and the latter (the male {patrix} component), is attached to a pontic or the denture framework—see FRICTIONAL A., INTERNAL A., KEY and KEYWAY A., PARALLEL A., PRECISION A., RESILIENT A., SLOTTED A.