Sixty-eight years of experimental occlusal interference studies: what have we learned?

G. T. Clark, Yoshihiro Tsukiyama, K. Baba, T. Watanabe

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Abstract

STATEMENT OF PROBLEM: Understanding is needed regarding the effect that occlusal interferences have on the teeth, periodontium, and especially on jaw function. PURPOSE: This article summarizes research in which experimental occlusal interferences have been placed on the teeth of animals and human volunteers. MATERIAL AND METHODS: Data from 18 human and 10 animals studies were reviewed. Experimental occlusal interferences were grouped into those that alter intercuspal position and those contacting on lateral jaw movement only. The outcome of these interferences were analyzed according to their local pulpal-periodontal, jaw function, or bruxism effects. RESULTS: Experimental occlusal interferences in maximum intercuspation had a deleterious effect on periodontal and pulpal tissues of the affected tooth; sometimes this produces a disruption of smooth jaw function and occasionally jaw muscle pain and clicking. Experimental occlusal interferences that contact only in a lateral jaw movement are infrequently harmful to jaw function. Furthermore, no reliable evidence demonstrates that occlusal interferences can cause nocturnal bruxism, or stop it. CONCLUSION: Transient local tooth pain, loosening of the tooth, a slight change in postural muscle tension levels, chewing stroke patterns, and sometimes a clicking joint can be induced by an experimental occlusal interference. Because such findings are present in relatively asymptomatic patients, these data do not prove that occlusal interferences are causally related to a chronic jaw muscle pain or temporomandibular joint dysfunction problems.

Original languageEnglish
Pages (from-to)704-713
Number of pages10
JournalThe Journal of prosthetic dentistry
Volume82
Issue number6
DOIs
Publication statusPublished - Jan 1 1999
Externally publishedYes

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Jaw
Tooth
Myalgia
Sleep Bruxism
Bruxism
Periodontium
Muscle Tonus
Mastication
Temporomandibular Joint
Volunteers
Joints
Stroke
Pain
Research

All Science Journal Classification (ASJC) codes

  • Oral Surgery

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Sixty-eight years of experimental occlusal interference studies : what have we learned? / Clark, G. T.; Tsukiyama, Yoshihiro; Baba, K.; Watanabe, T.

In: The Journal of prosthetic dentistry, Vol. 82, No. 6, 01.01.1999, p. 704-713.

Research output: Contribution to journalArticle

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