- semiprecision rest
- a denture rest, sometimes supplemented by a spring-loaded plunger or clip, which fits into a seat in an abutment tooth that has been specially deepened to provide added retention. See also under attachment.
Medical dictionary. 2011.
Look at other dictionaries:
semiprecision attachment — attachment of a denture to an abutment tooth or a restoration by a semiprecision rest (q.v.), sometimes supplemented by a spring loaded plunger or clip, fitting into a rest seat on the lateral surface of a crown, which is especially deepened to… … Medical dictionary
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. * * * 1. a device… … Medical dictionary