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Title: The effect of clenching and occlusal instability on weight distribution, assessed by the MAT-scan system
Author: Michalakis, Konstantinos X.
Awarding Body: The University of Strathclyde
Current Institution: University of Strathclyde
Date of Award: 2008
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The purpose of this research project was to investigate whether or not clenching and occlusal instability of Angle's Class I malocclusion has an effect on weight distribution in healthy adult subjects. Twenty adults (fourteen males and six females, ages 2740 mean age 31.7 years, SD 3.32) were included in this study. The MatScan (TckScan Inc, Boston, MA) system was used to measure the weight distribution chances of the subjects. Four weight distribution measurements were taken for each subject while: 1. the mandible was in the rest position (no tooth contact) (RES), 2. subject was clenching (maximum intercuspation of the teeth with heavy occlusal forces) (CL), 3. subject was clenching on the right side (with 1 mm disocclusion on the left side) (CLR) , 4. subject was clenching on the left side (with 1 mm disocclusion on the right side) (CLL). The lateral and the anteroposterior weight distribution changes during the different clenching conditions (both sides, right and left) were compared to those at which the mandible was at the rest position. The statistical significance of these results was tested with a chi square test (p<0.05). Based on the findings of the present study it was concluded that, clenching and occlusal instability are associated with lateral weight distribution changes Conversely, it was concluded that clenching and occlusal instability are not associated with anteroposterior weight distribution changes.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available