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Sunday, August 22, 2010

Effects of different jaw relations on postural stability in human subjects

P. Bracco, A. Deregibus*, R. Piscetta: Biomedical Sciences and Human Oncology Department, University of Torino, C.so Dogliotti 14, I-10126 Torino, Italy, Received 22 August 2003; received in revised form 24 November 2003; accepted 27 November 2003
 
Abstract:
Authors investigated the effects of different jaws relations on body posture in a sample of 95 subjects. All subjects underwent a
posturometric and stabilometric analysis using a computerized footboard. Tests were performed in three mandibular positions: centric
occlusion, rest position and myocentric position, respectively determined by teeth engagement, joints position, and muscles contraction. All subjects showed variations of body posture in the different mandibular positions. Statistical analysis (analysis of variance for repeated
measures) confirmed that postural variations in different jaws relations were significant: in particular, the SKN multiple comparison test
showed that myocentric position improved postural balance on frontal plane with respect to the other jaw positions considered.



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