Dental night guard

Details Dental night guard Dental night guard

1990-02-09

1992-04-14

Hafer, Robert A.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

128861, A61C 514

Patent

active

051038382

ABSTRACT:
A dental guard is provided with a two layer construction wherein a soft layer is bonded to a hard layer. The soft layer makes contact with the user's upper set of teeth while the hard layer forms the exterior of the dental guard. The soft layer provides a dental guard which is comfortable to wear and less stressful on the user's teeth while the hard layer provides the desired durability.

REFERENCES:
patent: 2705492 (1955-04-01), Chandler
patent: 2706478 (1955-04-01), Porter
patent: 2750941 (1956-06-01), Cathcart
patent: 2833278 (1958-05-01), Ross
patent: 3124129 (1964-03-01), Grossberg
patent: 3211143 (1965-10-01), Grossberg
patent: 3236235 (1966-02-01), Jacobs
patent: 3303844 (1967-02-01), Johnson

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