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    • 9. 发明申请
    • Dental Implant
    • 牙种植体
    • US20160220333A1
    • 2016-08-04
    • US15062475
    • 2016-03-07
    • Holger Zipprich
    • Holger Zipprich
    • A61C8/00
    • In a dental implant (1) comprising a post part (2) which can be placed in a jaw bone and comprising a structural part (4) associated with said post part, to which structural part a denture piece can be attached, the structural part comprising an integrally moulded contact pin (8) which can be placed in an associated shaped recess (10) in the post part (2) with a positive fit, it is to be possible on the one hand to suitably index the implant in a simple and reliable manner, on the other hand a particularly high level of mechanical stability against rotation being ensured, even with an overall height which is kept low. For this purpose, in accordance with the invention the cross-sections of the contact pin (8) integrally moulded on the structural part and of the shaped recess (10), associated with said contact pin, in the post part (2) each have a number of primary directions in which the radius in each case adopts a relative maximum value, the outer contour of the cross-section being selected in such a way that it is intersected at at most two points by any straight lines, and each point has only one tangent.
    • 在牙科植入物(1)中,其包括可以放置在颚骨中并包括与所述柱部分相关联的结构部分(4)的后部部分(2),结构部分可以附接有假牙片,结构部分 包括整体模制的接触销(8),其可以以正配合的方式放置在所述柱部件(2)中的相关联的成形凹部(10)中,一方面可以以简单的方式适当地对植入物进行折射 可靠的方式,另一方面,即使保持低的整体高度,也能确保特别高水平的机械稳定性。 为此,根据本发明,与后部(2)中的与所述接触销相关联的结构部件和成形凹部(10)上整体模制的接触销(8)的横截面各自具有 每种情况下的半径采用相对最大值的主要方向的数量,横截面的外轮廓以这样的方式被选择,使得它以任何直线在至多两点相交,并且每个点具有 只有一个切线。