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Objectives <p>The aim of this study was to evaluate the association among anxiety, symptoms of temporomandibular disorders, and awake bruxism in children.</p> Methods <p>A cross-sectional study was carried out with 274 children aged between 7 and 12&#xa0;years. Data were collected through structured questionnaires, applied by interview and clinical assessment. Statistical analysis involved descriptive and inferential analysis using the Chi-square test and Fisher’s exact test. A binary logistic regression model was applied to identify independent predictors of anxiety.</p> Results <p>Age ranged from 7 to 12&#xa0;years and was equally distributed between the sexes. 23.3% of the sample presented anxiety; 4.3% presented TMD symptoms; 18.2% presented bruxism. Anxiety was associated with sex (<i>p</i> = 0.005), TMD symptoms (<i>p</i> = 0.008), and tooth wear (<i>p</i> = 0.005). In the logistic regression model, tooth wear, TMD symptoms, and male sex remained independent predictors of anxiety, whereas awake bruxism and age were not. The model explained a limited proportion of the variance in anxiety.</p> Conclusion <p>Anxiety was observed in nearly one-quarter of the study sample and was associated with sex, TMD symptoms, and tooth wear. Awake bruxism, however, was not an independent predictor of anxiety. Given the cross-sectional design and the limited variance, these findings should be interpreted as exploratory and do not support causal inferences.</p>

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Anxiety, symptoms of temporomandibular disorders (TMD), and awake bruxism in children: an observational study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月13日

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  • L. A. M. Torres,
  • M. V. Heimer,
  • F. J. C. de Lima,
  • B. L. Donato,
  • J. F. O. L. Batista,
  • G. P. Falcão,
  • J. V. Silva,
  • L. L. O. Barbosa,
  • V. E. dos Santos-Junior

摘要

Objectives

The aim of this study was to evaluate the association among anxiety, symptoms of temporomandibular disorders, and awake bruxism in children.

Methods

A cross-sectional study was carried out with 274 children aged between 7 and 12 years. Data were collected through structured questionnaires, applied by interview and clinical assessment. Statistical analysis involved descriptive and inferential analysis using the Chi-square test and Fisher’s exact test. A binary logistic regression model was applied to identify independent predictors of anxiety.

Results

Age ranged from 7 to 12 years and was equally distributed between the sexes. 23.3% of the sample presented anxiety; 4.3% presented TMD symptoms; 18.2% presented bruxism. Anxiety was associated with sex (p = 0.005), TMD symptoms (p = 0.008), and tooth wear (p = 0.005). In the logistic regression model, tooth wear, TMD symptoms, and male sex remained independent predictors of anxiety, whereas awake bruxism and age were not. The model explained a limited proportion of the variance in anxiety.

Conclusion

Anxiety was observed in nearly one-quarter of the study sample and was associated with sex, TMD symptoms, and tooth wear. Awake bruxism, however, was not an independent predictor of anxiety. Given the cross-sectional design and the limited variance, these findings should be interpreted as exploratory and do not support causal inferences.