发明名称 Cranial motion dental attachment
摘要 A cranial motion dental attachment for linking the interproximal walls of adjacent molded crowns while permitting relative movement therebetween. The attachment includes a piston having an integral retainer stem which is attached to a dental structure and a cylinder attached to an adjacent dental structure adapted to receive the piston so that the piston is moveable within the cylinder permitting horizontal or lateral movement between the adjacent dental pieces.
申请公布号 US4917608(A) 申请公布日期 1990.04.17
申请号 US19850735141 申请日期 1985.05.17
申请人 SMITH, GERALD H. 发明人 SMITH, GERALD H.
分类号 A61C5/08;A61C13/003 主分类号 A61C5/08
代理机构 代理人
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