| 摘要 |
A dental implant contains the extraosseal cylindrical part with the internal tetrahedral opening matching the auxiliary element, the transverse grooves for the fixation of the gingival cuff and the tetrahedral bevels, and the intraosseal hollow cylindrical part with the external thread. Both parts are made as a single-piece. The intraosseal hollow cylindrical part has also the internal thread contacting the bone. The hollow cylinder has the through openings. |
