Method for attaching a dental fixture in bone tissue

Details Method for attaching a dental fixture in bone tissue Method for attaching a dental fixture in bone tissue

1993-11-18

1994-11-08

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433174, A61C 800

Patent

active

053622367

ABSTRACT:
A substantially cylindrical anchoring element for implantation in bone tissue is constructed to support prostheses, such as artificial joint components, tooth bridges or artificial teeth etc. The anchoring element has two cylindrical segments with end portions differing in diameter. The end portion with the smaller diameter is positioned at the distal or insertion part of the element and at least parts of both end portions are provided with a threaded portion having the same pitch. The anchoring element is implanted by forming relatively large and relatively small diameter aligned passages in the bone tissue. The smaller diameter segment of the anchoring element passes through the relatively large diameter passage and is self threaded in the small diameter passage. While self threading by the smaller diameter segment takes place, the larger diameter segment is self threaded in the large diameter passage. The proximal end of the anchoring element is provided with a bore having internal threads formed about an axis that is tilted with respect to a common axis for the cylindrical segments. External threads on a prosthesis threadably engage the internal threads to secure such prosthesis to the anchoring element.

REFERENCES:
patent: 3499222 (1970-03-01), Linkow et al.
patent: 5052930 (1991-10-01), Lodde et al.
patent: 5104318 (1992-04-01), Piche et al.
patent: 5199873 (1993-04-01), Schulte et al.

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