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European Archives of Paediatric Dentistry

, Volume 18, Issue 6, pp 399–404 | Cite as

The prevalence of sleep bruxism and associated factors in children: a report by parents

  • M. A. Clementino
  • M. B. Siqueira
  • J. M. Serra-Negra
  • S. M. Paiva
  • A. F. Granville-GarciaEmail author
Original Scientific Article

Abstract

Aim

To evaluate the prevalence of sleep bruxism and associated factors among children aged 3–12 years as reported by parents via a questionnaire.

Methods

A cross-sectional study was conducted with a sample of 148 parents/caregivers of children aged 3–12 years treated at paediatric dentistry clinics. Parents/caregivers answered a questionnaire in the waiting room. Information on the gender and age of the child, age of parent/caregiver, meaning of bruxism and child’s sleep (type of sleep, if he/she slept alone, hours of sleep per night and if nocturnal bruxism could affect his/her health) were collected. Descriptive statistics were performed and Poisson regression with robust variance was employed (p < 0.05).

Results

The prevalence of sleep bruxism was 32.4%. Most parents (64.2%) did not know the meaning of bruxism. In the final Poisson regression model, child’s gender (PR 1.32; 95% CI 1.06–1.66) and restless sleep (PR 1.39; 95% CI 1.12–1.72) were significantly associated with sleep bruxism.

Conclusion

The prevalence of sleep bruxism was high and was associated with gender and having restless sleep. Most parents/guardians did not know the meaning of bruxism.

Keywords

Bruxism Sleep bruxism Children Restless sleep 

Notes

Compliance with ethical standards

Conflict of interest

Marayza Alves Clementino, Maria Betânia Siqueira, Júnia Maria Serra-Negra, Saul Martins Paiva, Ana Flávia Granville-Garcia declare that they have no conflict of interest.

Ethical approval

All procedures were conducted in accordance with the ethical standards of the institutional and/or national research committee as well as the 1964 Declaration of Helsinki and its subsequent amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all participants in the study.

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Copyright information

© European Academy of Paediatric Dentistry 2017

Authors and Affiliations

  • M. A. Clementino
    • 1
  • M. B. Siqueira
    • 1
  • J. M. Serra-Negra
    • 2
  • S. M. Paiva
    • 2
  • A. F. Granville-Garcia
    • 3
    Email author
  1. 1.Department of DentistryState University of ParaíbaCampina GrandeBrazil
  2. 2.Department of Paediatric DentistryUniversity of Minas GeraisBelo HorizonteBrazil
  3. 3.Department of DentistryState University of ParaíbaCampina GrandeBrazil

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