J Dent Rehabil Appl Sci.  2018 Dec;34(4):253-261. 10.14368/jdras.2018.34.4.253.

A correlation between bruxism and eccentric occlusal interferences

• Lee HS
• Kim MG
• Jin SY
• Kim HJ
• Lee GJ

• KMID: 2432361
• DOI: http://doi.org/10.14368/jdras.2018.34.4.253

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.

Keyword

bruxism; eccentric occlusal interferences; canine guidance; group function; T-Scan system

MeSH Terms

Adult
Bruxism*
Dental Occlusion
Female
Humans
Male

Figure

• 

  Fig. 1 Comparison of bruxism between canine guidance & group function.

Reference

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