Jaw opening measurement device

Details Jaw opening measurement device Jaw opening measurement device

1993-05-26

1994-11-08

Fulton, Christopher W.

Geometrical instruments

Gauge

Anatomical

33514, 33563, 128777, A61B 5103, A61C 1904, G01B 314, G01B 514

Patent

active

053615069

ABSTRACT:
A measurement device is provided for measuring the degree of mandibular movement during therapy following maxillofacial surgery or to otherwise accomplish measurement of jaw movement. The measurement device is in the form of a flat object having a rounded end and defining a reference depression for receiving the incisal edge of the teeth of either the mandibular or maxillary arches. The measurement device includes a curved end and a slightly curved top which are provided with indicia to indicate the degree of jaw opening by comparing the location of an incisal edge with respect to the indicia. The measurement device along a straight end is provided with measurement indicia to enable effective measurement of lateral jaw movement and to accomplish measurement of movement relative to the occlusal plane of the patient's dentition.

REFERENCES:
patent: 1649664 (1927-11-01), Carter
patent: 1800714 (1931-04-01), Clapp
patent: 1804567 (1931-05-01), Pray
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patent: 3465450 (1969-09-01), Hamilton
patent: 4352663 (1982-10-01), Lee
patent: 4630375 (1986-12-01), Spolyar
patent: 5158096 (1992-10-01), Clark et al.
patent: 5226428 (1993-07-01), Lee

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