Retaining screw with rententive feature

Details Retaining screw with rententive feature Retaining screw with rententive feature

2006-01-17

2006-01-17

Lewis, Ralph A. (Department: 3732)

Dentistry

Prosthodontics

Holding or positioning denture in mouth

C433S174000

Reexamination Certificate

active

06986660

ABSTRACT:
A dental retaining screw used to secure dental components, such as abutments, copings, and prosthesis to dental implants. The screw having a locking mechanism adapted to prevent the screw from loosening during shipping or while experiencing vibrations. The locking mechanism includes a locking component and biasing members located in the head portion of the retaining screw.

REFERENCES:
patent: 4927363 (1990-05-01), Schneider
patent: 5269686 (1993-12-01), James
patent: 5711669 (1998-01-01), Hurson
patent: 5733122 (1998-03-01), Gordon
patent: 5890897 (1999-04-01), Kruger et al.
patent: 6168436 (2001-01-01), O'Brien
patent: 6280193 (2001-08-01), Peltier
patent: 6283753 (2001-09-01), Willoughby
patent: 6447295 (2002-09-01), Kumar et al.
patent: 297 10 520 (1997-10-01), None
patent: WO 02/24 104 (2002-03-01), None

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