Abstract
abstract – Three variables of the range of movement of the mandible, maximal opening capacity, maximal protrusion, and maximal lateral movements were correlated with the morphology of the face as seen in profile radiographs. The material consisted of 101 women with a mean age of 20 years, 8 months. Opening capacity was found to be correlated with the length of the cranial base and the mandible, the sagittal jaw relation, and the inclination of the mandibular ramus and the mandibular base. Protrusion was correlated with the cranial base length, the overjet and overbite, and the inclination of the mandibular ramus. Lateral movement was correlated with the cranial base length, the maxillary protrusion, and the overjet and overbite. Twenty‐five to forty per cent of the interindividual variation in range of movement could be explained by interindividual variation in facial morphology. This was less than in a previous investigation of 10‐year‐old children.
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