A sixteen-year Review of Orthognathic Surgery at Faculty of Dentistry, Chiang Mai University
Dento-facial deformity is one of the common disorders that has been frequently found. It negatively impacts on the function and the aesthetics of a patient’s face. Nowadays, there are a large number of patients who have undergone the orthognathic surgery at Faculty of Dentistry, Chiang Mai University. This research, therefore, is a retrospective study that aims to collect and review the statistical analysis of patients who have undergone the orthognathic surgery at Faculty of Dentistry, Chiang Mai University during the last 16 years. It is also helpful for dentists and officers to improve patient service. The statistics, which is the time between January 1996 and December 2012, revealed that there were 222 patients who had undergone the orthognathic surgery within this period of time; 142 of the patients were female whereas 80 patients were male. Besides, the patients’ average age was 22.8 years. The patients were divided based on the types of diagnosis which found the most deformity was skeletal class III . The surgical techniques were varies but the most surgical technique was Lefort I osteotomy and bilateral sagital split ramus osteotomy. The average duration of all surgeries was 3 hours 20 minutes. Moreover, the average number of patients’recovery period was 3.1 days. The Paresthesia of lower lip was the complication that had been mostly found.
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