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Volume 10 , Issue 1
January/February 1997

Pages 78-82


A Clinical Study of the Relationship Between Occlusal Curvature and Craniomandibular Disorders

Ito/Ikimoto/Mizumori/Terada/Maruyama


PMID: 9484074

The occlusal curvature should be harmonized with stomatognathic function, but excessive occlusal curvatures are found in some craniomandibular disorder patients. Forty healthy subjects and 95 patients with craniomandibular d isorder (50 with clicking, 25 with locking, and 20 with myofascial pain dysfunction syndrome) were evaluated to investigate the functional significance of the occlusal curvature. Anteroposterior and lateral occlusa l curvature were measured using the least-square approximation of the mandibular buccal cusps in a second-order quadratic and modification of Monsonís 4-inch sphere. Clicking and locking groups had significantly greater occlusal curvatures than healthy subjects. There appeared to be a relationship between occlusal curvature and craniomandibular disorders.


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