Helical mandibular implant

Details Helical mandibular implant Helical mandibular implant

1983-11-07

1984-08-28

Apley, Richard J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

3 19, 3 1, 128 92C, A61F 504, A61F 100

Patent

active

044682000

ABSTRACT:
Mandibular implant of ceramic material in which a bottom portion for anchoring in the mandible has a substantially conical helix shape rounded off at the end. An upper portion has a concave section for receiving an epithelial sleeve by the concave section and an opening to accept a denture support. There are provided at least one annular expansion and at least two annular notches adjacent the upper portion and the bottom portion. The annular expansion has a diameter which is shorter than the diameter of the crest of the thread at the uppermost turn on the bottom portion of the implant.

REFERENCES:
patent: 3579831 (1971-05-01), Stevens
patent: 3849887 (1974-11-01), Brainin
patent: 4103422 (1978-08-01), Weiss et al.
patent: 4215986 (1980-08-01), Riess

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