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Quintessence Publishing: Journals: IJP
The International Journal of Prosthodontics

Edited by George A. Zarb, BChD, DDS, MS, MS, FRCD(C)

ISSN 0893-2174

January/February 1997
Volume 10 , Issue 1

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


Pages: 78-82
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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