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Volume 4 , Issue 4
July/August 1991
Pages 377-381

Occlusal Contact Variation With Changes in Head Position

Chapman/Maness/Osorio

PMID: 1811633

Ten healthy young adults were examined for changes in occlusal contacts related to three head positions: supine, sitting, and head forward. The contacts were analyzed using T-Scan special research software, which measured the time moments of the first five occlusal contacts. Time moment is a descriptive term calculated from a formula that considers both spatial (where contacts are) and temporal (when contact occurs) aspects of tooth contact and provides a quantitative basis for comparing the dynamics of tooth contact. Paired head positions were analyzed for differences using Student’s t test, and it appears that in healthy young adults, initial tooth contacts are substantially influenced by posture.

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