Relationships between the orientation and moment arms of the human jaw muscles and normal craniofacial morphology.

Examines the relationship between the orientation and moment arms of the human jaw muscles and normal craniofacial morphology. Characteristics of the jaw muscles of subjects with increased vertical craniofacial dimensions; Method used in defining the subjects' jaw muscle orientation; Use of magnetic resonance imaging in analyzing the craniofacial morphology of the subjects.