| 摘要 |
The invention relates to a dental implant and relevant kit; the dental implant comprises an artificial root or fixture (1) and a stump or abutment (2), the fixture, (1) being externally threaded and internally hollow, to be firmly implanted in the subgingival bony tissue (3) of a dental arch in correspondence of a missing tooth, the stump (2) being apt to be associated with the fixture (1) and providing support for a dental prosthesis (D); the inner cavity (11) of the fixture (1) is of truncated-cone shape, with the major base above and the minor one below, and has a terminal seat (12) having polygonal cross-section; the stump (2) has an upper portion (20) to support the prosthesis (D), and a truncated-cone shank (21) terminating with an appendix (22) of polygonal cross-section, that is, of a shape corresponding to polygonal cross-section of the seat (12) of fixture (1), the cone's semi- angles ( delta ) of said cavity (11) and said shank (21) being correspondingly equal. <IMAGE>
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