Surgery – Truss – Pad
Patent
1976-04-02
1977-12-20
Yasko, John D.
Surgery
Truss
Pad
A61F 556
Patent
active
040635520
ABSTRACT:
A mouthguard, serving to protect the teeth, temporomandibular joint, head and neck, is user formed of silicone material by placing uncured silicone material in a tray, impressing the upper teeth into the material, removing the tray before complete curing of the material, impressing the biting or occlusal surfaces of the lower teeth into the material, and permitting the material to cure. The tray is flexible and may comprise two or more separate or separable pieces to facilitate removal. The tray is proportioned to contain a sufficient quantity of silicone material to provide effective thickness of material both outwardly and inwardly of the teeth in the complete mouthguard, and to be sufficiently deep to conform the guard at least to the gingival line without penetration of the teeth through the material into contact with the bottom of the tray, and at the same time to contain sufficient material to permit a certain excess thereof to be smoothed and spread, by use of the fingers, lips and tongue, across the upper outer gum surface and partially or completely across the hard palate. The width of the tray is sufficient, specifically, to provide sufficient material to permit the lower teeth to be sufficiently embedded in the material prior to curing that, when cured, the mouthguard will provide effective occlusal support.
REFERENCES:
patent: 2705492 (1955-04-01), Chandler
patent: 2750941 (1956-06-01), Cathcart
patent: 3124129 (1964-03-01), Grossberg
patent: 3955281 (1976-05-01), Weitzman
Chan Ming Sam
Going Robert E.
Loehman Ronald E.
Baldwin George H.
Yasko John D.
Yeager Arthur G.
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