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. 2013 Jan 1;18(1):e7-11.
doi: 10.4317/medoral.18232.

Self-reported bruxism mirrors anxiety and stress in adults

Jari Ahlberg  1 , Frank Lobbezoo, Kristiina Ahlberg, Daniele Manfredini, Christer Hublin, Juha Sinisalo, Mauno Könönen, Aslak Savolainen
Affiliations

Self-reported bruxism mirrors anxiety and stress in adults

Jari Ahlberg et al. Med Oral Patol Oral Cir Bucal. .

Abstract

Objectives: The aims were to analyze whether the levels of self-reported bruxism and anxiety associate among otherwise healthy subjects, and to investigate the independent effects of anxiety and stress experience on the probability of self-reported bruxism.

Study design: As part of a study on irregular shift work, a questionnaire was mailed to all employees of the Finnish Broadcasting Company with irregular shift work (number of subjects: n=750) and to an equal number of randomly selected employees in the same company with regular eight-hour daytime work.

Results: The response rates were 82.3% (56.6 % men) and 34.3 % (46.7 % men), respectively. Among the 874 respondents, those aware of more frequent bruxism reported significantly more severe anxiety (p<0.001). Adjusted by age and gender, frequent bruxers were more than two times more likely to report severe stress (odds ratio 2.5; 95% confidence interval 1.5-4.2) and anxiety (odds ratio 2.2; 95% confidence interval 1.3-3.6) than non-or-mild bruxers.

Conclusions: Present findings suggest that self-reported bruxism and psychological states such as anxiety or stress may be related in working age subjects.

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Figures

Figure 1
Figure 1
Mean SCL-90-R anxiety raw scores and their 95% confidence intervals (CI) according to self-reported bruxism. Horizontal line represents the overall mean value among the study population; grid line represents the norm for community subjects in Finland (18). Statistical evaluation by Jonckheer-Terpstra -test to evaluate whether the severity of self-reported bruxism and anxiety were correlated (p<0.001) (p-value, n = number of subjects).
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