1. A part of a removable partial denture that acts as a direct retainer and/or stabilizer for the denture by partially surrounding or contacting an abutment tooth. 2. A direct retainer of a removable partial denture, usually consisting of two arms joined by a body which connects with an occlusal rest; at least one arm of a c. usually terminates in the infrabulge (gingival convergence) area of the tooth enclosed.
- bar c. 1. a c. whose arms are bar-type extensions from major connectors or from within the denture base; the arms pass adjacent to the soft tissues and approach the point of contact on the tooth in a gingivo-occlusal direction; 2. a c. consisting of two or more separate arms located opposite to each other on the tooth; the bar arms arise from the framework or from a connector and may traverse the soft tissue; one arm (bar), the retentive arm, usually terminates in the infrabulge (gingival convergence) area of the tooth; the other, the reciprocal arm, usually terminates on the suprabulge (occlusal convergence) area. SYN: Roach c..
- circumferential c. 1. a c. that encircles more than 180° of a tooth, including opposite angles, and which usually contacts the tooth throughout the extent of the c., at least one terminal being in the infrabulge (gingival convergence) area; 2. a c. consisting of two circumferential c. arms, both of which originate from the same minor connector and are located on opposite surfaces of the abutment tooth.
- continuous c. SYN: continuous bar retainer.
- extended c. a c. that extends from its minor connector along the lingual and/or facial surface of two or more teeth.
- Roach c. SYN: bar c..
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Collaborative Low-Dose Aspirin Study in Pregnancy
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clasp 'klasp n a device designed to encircle a tooth to hold a denture in place
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n.
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(klasp) 1. a device by which something is held. 2. in dentistry, a part of an extracoronal direct retainer that retains and stabilizes the denture by attaching to abutment teeth.Medical dictionary. 2011.