发明名称 Pivot for a tooth with an apical end for the protection against the initiation of radicular cracks and breaks
摘要 The present application relates to a radicular pivot wherein the apical end of the pivot has a hemispheric end with a continuous variation in the curvature between the cylindro-conical part and the apical end. The invention also relates to a drill for the preparation of the radicular chamber intended to receive such a pivot, as well as the system composed of a pivot and the matching drill.
申请公布号 US2009269722(A1) 申请公布日期 2009.10.29
申请号 US20090404704 申请日期 2009.03.16
申请人 MALEK PIERRE 发明人 MALEK PIERRE
分类号 A61C5/08 主分类号 A61C5/08
代理机构 代理人
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