clasp
101un|clasp — «uhn KLASP, KLAHSP», transitive verb. 1. to unfasten. 2. to release from a clasp or grasp: »She clasped and unclasped her fingers while nervously waiting for the dentist. –v.i. 1. to unfasten. 2. to be released from a clasp or grasp: »I feel my… …
102Vachette clasp — Va chette clasp [Cf. F. vachette cowhide leather used for ligatures.] (Veter.) A piece of strong steel wire with the ends curved and pointed, used on toe or quarter cracks to bind the edges together and prevent motion. It is clasped into two… …
103Akers' clasp — An Akers clasp is the classic direct retainer for removable partial dentures. Named after its inventor, Polk E. Akers, this suprabulge clasp consists of a rest, a guide plate, a retentive arm and a reciprocal arm. Akers clasps, as a rule, face… …
104arrow clasp — arrowhead clasp a clasp made by bending a piece of stainless steel wire in the shape of an arrowhead; used to stabilize an orthodontic appliance by holding the teeth in the interproximal areas …
105circumferential clasp — a clasp that encircles more than 180° of a tooth, including opposite angles, and usually contacts the tooth throughout the extent of the clasp, at least one terminal being in the infrabulge area …
106continuous clasp — continuous lingual clasp a clasp made of two or more stainless steel lingual clasps joined to each other and then joined to a major connector by two or more minor connectors; used to brace lingual upper teeth. Called also continuous bar retainer …
107I-bar clasp — infrabulge clasp a bar clasp arm that approaches the crown of the tooth from an apical direction, without crossing the survey line, crossing the tooth tissue junction at right angles and continuing in a straight line to the unattached mucosa… …
108Crozat appliance clasp — Cro·zat appliance, clasp (kroґzat) [George B. Crozat, American dentist, early 20th century] see under appliance and clasp …
109tie clasp — tie′ clasp n. jew an ornamental metal clasp for securing the two ends of a necktie to a shirt front. Also called tie′ clip • Etymology: 1950–55 …
110tie clasp — n. a decorative clasp for fastening a necktie to the shirt front: also tie clip or tie bar …
