Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1987-12-11
1988-12-13
Wilson, John J.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
433181, A61C 13225
Patent
active
047907541
ABSTRACT:
A dental attachment for connecting a removable dental prosthesis to an adjoining fixed tooth. The attachment includes a female member and a male assembly. The female member is inserted into the fixed tooth and includes an open mouth channel at the forward face of the fixed tooth. The male assembly includes an insert member which is received within a receiving member. The receiving member includes an elongated housing having an upwardly extending face plate through which a chamber is formed into the elongated housing to receive the insert member. The insert member includes an elongated shank portion with an upright plug at its forward end. Rearward of the plug is provided a stabilizing projection. The face plate is sandwiched between the stabilizing projection and the forward plug to provide additional stability. The male member is disposed in the dental prosthesis with the plug portion projecting forward of the face of th eprosthesis. The plug is sidably received within the channel in the female member. The upright plug can have bifurcated sections which are spread apart by a tapered plug to adjustably control the tension between the male assembly and the female member. The insert member can inclue two opposing half sections with a spring member disposed between the half sections.
REFERENCES:
patent: 1765851 (1930-06-01), Richardson
patent: 3117377 (1964-01-01), Poveromo
patent: 3710466 (1973-01-01), Poveromo
patent: 4196516 (1980-04-01), Poveromo
Ipco Corporation
Wilson John J.
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