Risk of sleep-disordered breathing in orthodontic patients: comparison between children and adolescents.

The aim of this study was to assess the risk of sleep-disordered breathing (SDB) in orthodontic patients and to evaluate the influence of sex, age, and orthodontic treatment in a cohort of subjects using the Pediatric Sleep Questionnaire (PSQ) screening tool. Parents of 245 patients aged 5-18 years (11.4 ± 3.3 years) were invited to participate in the study by answering the PSQ, which has 22 questions about snoring, sleepiness, and behavior. The frequency of high and low risk was calculated for the full sample. Multiple logistic regression was used to assess the association among sex, age, orthodontic treatment, rapid maxillary expansion (RME), and body mass index (BMI) with SDB. A significance level of 5% (P < .05) was adopted in all tests. A high risk of SDB was found in 34.3% of the sample. No sex and BMI difference was found for the risk of SDB. The high risk of SDB was significantly associated with younger ages (OR = 1.889, P = .047), pre-orthodontic treatment phase (OR = 3.754, P = .02), and RME (OR = 4.157, P = .001). Lack of ear, nose and throat-related medical history. Children showed a 1.8 higher probability of having a high risk of SDB compared with adolescents. Patients before orthodontic treatment and patients submitted to RME showed a high risk of SDB.

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