Abstract
This study aimed to assess the effect of health-related quality of life (QoL) among patients withdentofacial deformities who underwent orthognathic surgery compared with a control group without dentofacial deformities by use of generic oral health and condition-specific approaches. In this prospective study, 2 questionnaires were administered to 85 patients (31 male and 54 female patients) who were evaluated before undergoing orthognathic surgery. The Short Form Oral Health Impact Profile Questionnaire (OHIP-14) and the Orthognathic Quality ofLife Questionnaire (OQLQ) were administered before and 5 to 7months after orthognathic surgery. The control group comprised 96 young university student volunteers without dentofacial deformities. The questionnaires were collected 5 to 7months after surgery. The preoperative scores of the patients and the control group were contrasted separately. The respondents' postoperative OHIP-14 and OQLQ scores were significantly lower (P<.001 for total scores). The preoperative OQLQ scores for all domains were significantly higher among the patients than among the controls (P<.001 for total scores), whereas the total scores and 3 subscale scores of the OHIP-14 in the functional and psychological domains were significantly higher among the patients than among the controls (P<.05 for total scores). The preoperative and postoperative OQLQ total scores were remarkably different between male and female patients (P<.05). The postoperative OQLQ total scores were considerably higher in older patients than in younger patients (P<.05). All patients in the Class III group who underwent double-jaw surgery showed remarkable changes after surgery (P<.001 for total scores). Patients with dentofacial deformities had a poorer QoL compared with the healthy population, especially in functional and psychological aspects.Orthognathic surgery had a significant positive impact on QoL. Patients with Class III malocclusion who underwent double-jaw surgery seemingly benefitted the most after surgery.
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