alexa Sleep Bruxism and Orthodontic Appliance among Children
ISSN: 2167-0277

Journal of Sleep Disorders & Therapy
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Research Article

Sleep Bruxism and Orthodontic Appliance among Children and Adolescents: A Preliminary Study

Ivana Meyer Prado, Marcela Oliveira Brant, Sheyla Márcia Auad, Saul Martins Paiva, Isabela Almeida Pordeus and Junia M Serra-Negra*
Department of Pediatric Dentistry and Orthodontics, Federal University of Minas Gerais, Belo Horizonte, Brazil
*Corresponding Author : Junia Maria Serra-Negra
Department of Pediatric Dentistry and Orthodontics
Federal University of Minas Gerais, Belo Horizonte, Brazil
Tel: +553124092433
E-mail: [email protected]
Received date: February 18, 2016; Accepted date: March 10, 2016; Published date: March 18, 2016
Citation: Prado IM, Brant MO, Auad SM, Paiva SM, Pordeus IA, et al. (2016) Sleep Bruxism and Orthodontic Appliance among Children and Adolescents: A Preliminary Study. J Sleep Disord Ther 5:238. doi:10.4172/2167-0277.1000238
Copyright: © 2016 Prado IM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.




Objective: The aim of this study was to evaluate the association between sleep bruxism and orthodontic treatment in children and adolescents.

Methods: Analysis was performed both before and during such treatment. A retrospective cross-sectional study was undertaken in two groups of seven to 15-year-old patients from the orthodontic clinic of a public university in Belo Horizonte, Brazil. The first group contained 22 patients with a mean age of ten years (SD = 2.058) who were awaiting orthodontic treatment. The second group contained 44 patients with a mean age of nine years (SD = 1.79) undergoing orthodontic treatment. Data collection was performed using a questionnaire completed by parents/caregivers and data from the medical records of the clinic. Diagnosis of bruxism was determined in accordance with American Academy of Sleep Medicine criteria. Descriptive analysis and Chi-square test were used for statistical analysis.

Results: Sleep bruxism was observed in 27.3% of patients who were awaiting orthodontic treatment. Regarding the group undergoing treatment, 36.4% had sleep bruxism prior to the start of treatment and 25% continued to suffer from the Para function following placement of an orthodontic appliance. Among those who had sleep bruxism before treatment, 75% reported that the Para function ceased after placement of the appliance. There was an association between the presence of sleep bruxism among parents/ caregivers and among patients (p = 0.035). Interceptive orthodontics was associated in 77% of sleep bruxism stop during treatment (p = 0.029). The corrective orthodontics was in 22.8% patients with sleep bruxism only after fitting orthodontic appliance compared to 9% with interceptive orthodontic treatment (p = 0.002).

Conclusion: There was an association between sleep bruxism in parents/caregivers and the presence of the Para function among children/adolescents. The type of orthodontic treatment influenced the time that sleep bruxism appeared. The interceptive orthodontic treatment was associated with the cases which sleep bruxism stopped during treatment.


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