Sleep bruxism and orthodontic appliance among children and adolescents: a preliminary study
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Universidade Federal de Minas Gerais
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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.
Abstract
Assunto
Adolescents, Bruxism, Children, Para function, Corrective orthodontics, Interceptive orthodontics, Orthodontic treatment
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http://www.omicsgroup.org/journals/sleep-bruxism-and-orthodontic-appliance-among-children-and-adolescents-apreliminary-study-2167-0277-1000238.php?aid=69838