| 摘要 |
PURPOSE: An abutment of tooth implant for crown is provided to keep artificial tooth in a stable condition even when repeatedly applied with impact and vibration, to prevent flowing or breaking of the teeth. CONSTITUTION: The abutment comprises an upper stand(2) integrated with a screw part(5) thread-coupled to a coupling hole(13) of an artificial tooth coupler(11) and an insertion part(4) on bottom end of a head part(3) having a coupling groove(3a); a lower stand(6) communicating a hexagonal angle groove(10) coupled with a hexagonal angle head(12) of the artificial tooth coupler(11) and another insertion hole(6a) for the insertion part(4); The lower stand(6) has both of a supporting slope-part and a closing slope-part(8) on outer lower side while having a hexagonal angle projection on outer upper side.
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