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US 5,490,782 AGranted
Preformed posterior palatel seal for existing dentures and method
OwnerNelson J. Wonginventor
Life of this patent
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Abstract
A preformed posterior palatal seal (Preformed PPS) for securing to, anatonically based existing dentures includes a body preformed of a predetermined size and shape of a posterior palatal seal (PPS) for sealing an existing denture at the "Ah line" of the human palate and adhesive for holding the preformed body to a denture.
Claims15
A Preformed Poster Palatal Seal (Preformed PPS) for use on existing dentures comprising:
- (a) a body preformed with a predetermined, anatomically based size and shape of a posterior palatal seal (PPS) for sealing an upper denture and increasing pressure at the "Ah line" of a human palate;
- and
- (b) means for securing said preformed body to an existing denture at an anatomical position corresponding to the "Ah line" to form a posterior palatal seal thereon.
A method of forming a posterior palatal seal on an existing denture comprising the steps of:
- (a) positioning a preformed posterior palatal seal on said denture at an "Ah line;"
- (b) applying a bonding agent between said Preformed PPS and said denture;
- and
- (c) allowing said bonding agent and bonded denture and Preformed PPS material to cure so that a PPS is formed on said denture.
1 more element
Dependencies are inferred from the claim text.