Dentistry – Method or material for testing – treating – restoring – or...
Patent
1986-10-21
1989-05-09
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
433141, A61C 500
Patent
active
048284947
ABSTRACT:
A ball at one end of a handle has opposite indentations to receive the ends of cusps of opposed teeth of a patient. The other end of the handle is flattened to help position the ball. When the patient bites against the ball, a crack in a tooth near a cusp against the ball will cause pain and thereby indicate the location of a crack.
REFERENCES:
patent: 1749632 (1930-03-01), Ferris
patent: 1869391 (1932-08-01), Quintina
patent: 2937446 (1960-05-01), Weisenfeld
patent: 3293748 (1966-12-01), Skinner
patent: 3734081 (1973-05-01), Schaack
patent: 3903606 (1975-09-01), Oliver
patent: 4500294 (1985-02-01), Lewis
patent: 4541803 (1985-09-01), Adler
Angus William H.
Grollimund Everett C.
Dental Design Systems, Inc.
Glenn John F. C.
Wilson John J.
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