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A dynamic model of etiology in temporomandibular disorders
1Department of Comprehensive Dentistry, Naval Dental School, Bethesda, MD 20814-5077.
Abstract:
A dynamic model is proposed to depict the etiology of temporomandibular disorders. A balance is described between destructive factors in the masticatory system that result in dysfunction, and adaptive factors that tend to return it homeostatically to normal. Five factors that cause or potentiate muscle hyperfunction are included on one side of the model with five other factors that affect the ability of the system to adapt on the other side. Relationships among the etiologic factors are discussed, and literature support for each is cited.
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