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KMID : 1004520180340040253
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Journal of Dental Rehabilitation and Applied Science
2018 Volume.34 No. 4 p.253 ~ p.261
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A correlation between bruxism and eccentric occlusal interferences
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Lee Ho-Sun
Kim Mi-Gyeong
Jin Soo-Yoon
Kim Hee-Jung
Lee Gyeong-Je
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Abstract
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Purpose: The purpose of this study was to analyze correlation between bruxism and occlusal contacts on balancing side.
Materials and Methods: The purpose of this study is to compare the difference of group function and balancing side occlusal contacts according to bruxism and sex, A total of 100 adults that aged 26-37 years (39 bruxers and 61 non-bruxers) were examined. The lateral excursion and balanced occlusal contacts were analyzed to determine the correlation with bruxism. The occlusal contacts were recorded by T-Scan system and articulating paper.
Results: The group function was the highest in 61.5% of bruxers and 47.5% of non-bruxers. In comparison between males and females, group function was 58.9% in males and 37.0% in females. Occlusal contacts on non-working side occurred in 48 out of 100 patients. There were 51.2% of the cases in the bruxers and 46.0% in the non-bruxers. Statistically, there was no correlation between the bruxism and occlusal contacts on non-working side. There was no correlation between sex and balancing occlusal contacts.
Conclusion: There was no significant correlation between bruxism and occlusal contacts on non-working side. The group function was the highest in bruxers when lateral excursion was occurred.
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KEYWORD
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bruxism, eccentric occlusal interferences, canine guidance, group function, T-Scan system
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