| 摘要 |
PROBLEM TO BE SOLVED: To provide a dental implant enabling a connection screw to be easily removed when the connection screw is broken.SOLUTION: An abutment screw 5 includes a turning hole 14 or a turning groove in the axial direction from an upper end to a lower end such that the abutment screw 5 is reversely turnably provided in an abutment 3 of a dental implant 1. It is preferable that the abutment screw 5 includes the turning hole 14 or the turning groove in the axial direction from the upper end to the lower end. Preferably, the cross section of the turning hole 14 of the abutment screw 5 is a square shape or a hexagonal shape. |
