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http://dx.doi.org/10.14368/jdras.2018.34.4.253

A correlation between bruxism and eccentric occlusal interferences  

Lee, Ho-Sun (Department of Prosthodontics, School of Dentistry, Chosun University)
Kim, Mi-Gyeong (Department of Prosthodontics, School of Dentistry, Chosun University)
Jin, Soo-Yoon (Department of Prosthodontics, School of Dentistry, Chosun University)
Kim, Hee-Jung (Department of Prosthodontics, School of Dentistry, Chosun University)
Lee, Gyeing-je (Department of Prosthodontics, School of Dentistry, Chosun University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.34, no.4, 2018 , pp. 253-261 More about this Journal
Abstract
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.
Keywords
bruxism; eccentric occlusal interferences; canine guidance; group function; T-Scan system;
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