Abstract
Dentofacial deformities and their treatment have physical and psychological repercussions on quality of life (QOL). Seventy-four patients were evaluated preoperatively (T0) and at 4–6 months postoperatively (T1). Oral health-related QOL was assessed using the short form of the Oral Health Impact Profile (OHIP-14). There was a statistically significant reduction in the average overall OHIP-14 score between T0 (13.23±6.45) and T1 (3.26±4.19). In addition, there were significant decreases in all seven OHIP-14 domains. Class III patients benefited in all domains evaluated, while a significant improvement was seen only in the psychological disability domain for class I patients. Class II patients showed a significant benefit in all domains except the domain of functional limitation. With regard to the total sample (n=74) and class III patients (n=58), correlations between domains were identified for all domains. The same correlation was not identified for class I (n=5) and II (n=11) patients. The entire sample and class III patients showed significant improvements in OHIP-14 scores for all degrees of postoperative sensory disturbance in the upper and lower lips, except for patients with degree 5 (extreme) disturbance of the upper lip. Orthognathic surgical treatment had a positive impact on oral health-related QOL in the patients evaluated.
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