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1. 发明授权

US4483677A Flexible clasp for a removable partial dental prosthesis and method of formation of a combined flexible clasp and stress relieving prosthesis 失效
标题翻译：用于可移动部分牙科假体的柔性扣环和形成组合的柔性扣环和应力消除假体的方法
公开(公告)号：US4483677A
公开(公告)日：1984-11-20
申请号：US521699
申请日：1983-08-10
申请人： Leonard J. Kulwiec , Michael F. X. Kulwiec
发明人： Leonard J. Kulwiec , Michael F. X. Kulwiec
IPC分类号： A61C13/00 , A61C13/225 , A61C13/273 , A61C13/28
CPC分类号： A61C13/273 , A61C13/0003 , A61C13/2255
摘要： A flexible clasp for removable mounting of a partial dental prosthesis to an abutment tooth is disclosed. The clasp includes a retention arm (42) formed to extend around at least a portion of the side of an abutment tooth (27) to retain the prosthesis in an edentulous space (26). In the improved clasp (41), the retention arm (42) is coupled to the prosthesis at a location in the edentulous space, preferably about one tooth width from abutment tooth (27) so as to cantilever support the retention arm (42) for resilient lateral displacement with respect to the abutment tooth. Preferably, a resiliently displaceable tubular member (51) is mounted to the retention arm (42) which is held to the prosthesis by a clip (43) surrounding the tubular member (51) and arm (42). The method of the present invention includes coupling the prosthesis to the clasp (41) through the retention arm portion (42) of the clasp while maintaining the resilient displaceability of the retention arm (42) to provide both a retention function and a stress relieving function.
摘要翻译：公开了一种用于将部分牙科假体可移除地安装到邻接牙齿的柔性扣环。夹具包括形成为围绕邻接牙齿（27）的侧面的至少一部分延伸以将假体保持在无牙的空间（26）中的保持臂（42）。在改进的扣环（41）中，保持臂（42）在无牙空间中的一个位置处联接到假体，优选地从邻接齿（27）大约一个齿宽度，以便悬臂将支撑臂（42）支撑在相对于基牙的弹性侧向位移。优选地，可弹性移位的管状构件（51）安装到保持臂（42），保持臂（42）通过环绕管状构件（51）和臂（42）的夹子（43）固定到假体。本发明的方法包括通过扣环的保持臂部分（42）将假体联接到钩扣（41），同时保持保持臂（42）的弹性位移能力，以提供保持功能和应力消除功能。

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