Anti-rotation implant device
An implant and anti-rotation technology, which is applied in the fields of implantology, medical science, dentistry, etc., can solve the problems of large stress concentration of fixing bolts, insufficient anastomosis (not completely passively seated, fixing bolts broken, etc.), and achieve cutting force and Reasonable extrusion force, avoid alveolar bone cracking, and avoid cutting difficulties
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[0033] Such as figure 1 As shown, an anti-rotation implant device includes an implant 1, an abutment 2 and a central bolt 3, all made of pure titanium material, the implant 1 includes a transgingival neck and a head, and the implant The head of 1 is a frustum of a cone, and the large-diameter end of the frustum of the head is close to the gingival neck; the small-diameter end of the frustum of the head is an arc surface 10, and the taper of the frustum of the head is The bionic taper close to the natural tooth root can improve the long-term stability; the outer surface of the head is provided with threads 12, and the outer surface of the head is also provided with three evenly distributed spiral self-tapping grooves 11; The helical direction of the helical self-tapping groove 11 is the same as that of the thread 12 , both are right-handed, and the lead angle of the helical self-tapping groove 11 is greater than that of the thread 12 .
[0034] The spiral self-tapping groove ...
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