Exploring the association between orthodontic treatment and temporomandibular disorders in pediatric patient: A retrospective study

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Abstract
OBJECTIVE: This retrospective study aimed to investigate the association between orthodontic treatment and development of temporomandibular disorders (TMDs) in pediatric patients. METHODS: This study analyzed 122 pediatric patients (age 10–18 years) who underwent orthodontic treatment. The inclusion criteria included comprehensive orthodontic records and substantial clinical documentation, while the exclusion criteria targeted preexisting TMDs or syndromes affecting the temporomandibular joint. Demographic details, treatment characteristics, and radiographic analyses, including standardized cephalometric measurements, were recorded. Clinical records were systematically reviewed for signs and symptoms of TMD, with categorization based on TMD severity using the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). RESULTS: Demographic characteristics revealed a mean age of 14.2 years, with a sex distribution of 36.9% males and 63.1% females. Pain, clicking/popping sounds, and limited jaw movement were reported by 23.0%, 16.4%, and 12.3% of the patients, respectively. TMD severity classification showed that 73.8% had no symptoms, 20.5% had mild symptoms, 4.1% had moderate symptoms, and 1.6% had severe symptoms. Statistical analyses revealed a significant association between TMD symptoms and sex (P = 0.023). Correlations among TMD severity, treatment duration (P = 0.036), and cephalometric changes were observed. Radiographic findings showed a moderate correlation with the gonial angle (r = 0.42) and a strong correlation with the condylar position (r = 0.58). CONCLUSION: This study provides insights into the complex relationship between orthodontic treatment and TMD development in pediatric patients. These findings suggest potential associations between treatment characteristics, cephalometric changes, and TMD symptoms.

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