| 摘要 |
PCT No. PCT/EP96/01901 Sec. 371 Date May 2, 1997 Sec. 102(e) Date May 2, 1997 PCT Filed May 7, 1996 PCT Pub. No. WO96/35393 PCT Pub. Date Nov. 14, 1996A set for producing a jaw implant has an implant body (1) that may be screwed into the jaw bones and an implant head (3) that may be secured to the implant body (1) to receive a prosthesis or prosthesis-supporting structure. The lower insertion section of the implant body (1) is designed as an expanding body (7) with several expanding elements (7) that may be spread after the implant body is screwed into the jaw bones. The base designed as an expanding body (7) gives the implant body (1) a good support on the osseous substance of the supporting cortical layer. Since the implant bodies (1) finds in the expanding elements (8) a multiple support on the cortical layer of the jaw bone, the forces axially transmitted to the implant body during mastication are better absorbed, improving the durability of the implant. The load is not concentrated on a single point but is rather distributed over a larger area. In a preferred embodiment, the implant body is an elongated hollow body whose insertion bottom section is slotted several times in the longitudinal direction to form the expanding elements (8). A pin (2) is screwed into the hollow body for spreading the expanding elements. The implant head (3) is designed as a screwable cap which can be screwed on the free end of the pin (2).
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