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Medical Definition of Circumferential clasp
1. A clasp that encircles more than 180° of a tooth, including opposite angles, and which usually contacts the tooth throughout the extent of the clasp, at least one terminal being in the infrabulge (gingival convergence) area, a clasp consisting of two circumferential clasp arms, both of which originate from the same minor connector and are located on opposite surfaces of the abutment tooth. (05 Mar 2000)