Chulalongkorn University Dental Journal

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Objectives Orth odontic uptake among adolescents appears to increase in Thai society. The purposes of this research were to assess the rate of fixed orthodontic treatment experiences among first-year students at Chulalongkorn University (CU) and to identify its associating factors. Materials and methods A cross-sectional survey was conducted on a stratified-clustered sample of 800 first-year CU students. About 635 completed questionnaires were returned, giving a 79.4% response rate. Results Approximately 32.8 % of subjects experienced fixed orthodontic treatment; divided into 20.6% with orthodontic treatment completed, 8.5% with undergoing orthodontic treatment, and 3.6% with orthodontic treatment discontinued. There were significant relationships between orthodontic treatment experience and several factors, including sex (p < .001), faculty discipline (p = .001), history of relatives' orthodontic treatment (p = .001), history of siblingsû orthodontic treatment (p < .001), dental service utilization behavior (p < .001), and satisfaction with current tooth alignment (p =.001). Conclusion In conclusion, CU students experience a relatively high rate of fixed orthodontic treatment. Certain social characteristics exert an influential role on orthodontic treatment rates. Therefore, considerations on psychosocial dimensions are needed in order to understand the decision making process of orthodontic care.



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