| 摘要 |
Endosseous dental implants include external threads, and, within an internal passage inside the body of the implant, a lead-in bevel, 8-sided abutment-engaging surfaces, distally positioned 6-sided wrench-engaging surfaces, and internal threading distal to both the 8-sided and 6-sided surfaces, and fixture mounts and abutments including male projections to engage the 6-sided wrench-engaging surfaces inside the implants.
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