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April 1969

The Bite-Ometer

Author Affiliations

Palo Alto, Calif; Boston
From the Cleft Palate Research Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford Medical Center, Palo Alto, Calif (Mr. Sandberg), and Massachusetts Eye and Ear Infirmary, Boston (Dr. Yules).

Arch Otolaryngol. 1969;89(4):682-684. doi:10.1001/archotol.1969.00770020684025

A RECENTLY employed operation for specified cases of velopharyngeal incompetence transfers the medial pterygoid muscle from the angle of the mandible to a sandwich position between the superior constrictor and the pre-vertebral fascia.1 Surgical procedures involving the transfer of masticatory muscles to positions of new function expect a degree of bite deficiency postoperatively. The significance of this loss of bite force must be evaluated to determine the advisability of such procedures. The medial pterygoid affects the anterior mandible in the area of the incisors.2 The instrument described herein was originally designed to measure the loss of biting force following a medial pterygoid transfer, however it can also be used for measurement when masseter or temporalis muscle transfer is effected for facial paralysis3-6 or for measurement in dentistry where the force at which dentures pull away from the gums must be determined.

Various methods have been used to

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