Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1994-03-04
1994-11-15
O'Connor, Cary E.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
A61C 13225
Patent
active
053642694
ABSTRACT:
The present invention entails a partial denture that is basically constructed of a relatively hard acrylic material and includes a series of artificial teeth implanted along the ridge of the denture. The denture is particularly designed for a certain patient and is provided with at least one existing tooth opening for accommodating certain existing teeth of the patient. Formed about the buccal flange area of the denture and adjacent the existing tooth opening is an elastic retainer strip that is integrally molded with the relatively hard acrylic material of the denture. This elastic retainer strip engages the patient's gum in front of the existing teeth that project through the opening in the denture. On the opposite side of the existing tooth opening and opposite the elastic retainer strip there is provided a metal filler panel that is also bonded or integrally molded with the relatively hard acrylic material. Formed along an upper terminal edge of the metal filler panel is at least one metal tooth rest or clamp. The tooth clamp extends from the upper terminal edge of the metal filler panel and over a portion of at least one existing tooth and wherein the metal clamp turns down and clamps downwardly onto a top portion of at least one existing tooth. The clamping action of the metal clamp assists in retaining the entire denture in a secure and proper position within the patient's mouth, combining the benefits of tooth support in addition to tissue-bone support.
REFERENCES:
patent: 3412468 (1968-11-01), Weinstein
patent: 4514173 (1985-04-01), Re
patent: 4764115 (1988-08-01), Willits et al.
Schmitt, Jr. Thomas P.
Willits William G.
Lab One Enterprises, L.C.
O'Connor Cary E.
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