Abstract
Background : Orthodontic and/or surgical modifications to the jawbone could undoubtedly have aesthetic effects on the shape or position of the nose.Aim : Cephalometric analysis was used to evaluate the aesthetic alterations (dimensional and positional) of the nose in this patients.he PIDAQ was cross-culturally adapted into Malay version by forward- and backward-translation processes, followed by psychometric validation.Methods : To compare cephalometric changes in the nose, a cross-sectional study was conducted from January to March 2019. A sample of 20 orthognathic patients was included in this study. Their mean age was 22.40 (+/-6.98 years). The amplitude of the surgical movements of all patients were measured, using measurements on profile teleradiographs and on photos of faces taken before and after surgery. The statestical analysis of cephalometric data before and after surgery was performed using the Wilcoxon test. The significance level was p≤0.05.Results : The results revealed that a significant reduction in the angular values of SNA (°) (p<0.001), GoGn/SN (°) (p=0.038), Occ/Sn (°) (p=0.007) and AoBo (mm) (p=0.025). No statistically significant differences were noted for specific cephamometric variables before and after surgery. For the comparison of facial photographs, all the values of the specific measurements before and after were significant with the exception of Prn - SN.Conclusion : The width of the base of the nasal wing increased, the displacement and the amount of rotation of the nasal tip also increased in most patients. In contrast, a drop in the X-axis to Prn distance was noted.
Highlights
Orthodontic and surgical modifications have been shown to have aesthetic effects on the shape or position of the nose
They often cause a range of impacts on physical function and facial aesthetics and negatively impact people's emotional and social well-being (1)
Depending on the nature and severity of the dentofacial deformity, surgery can range from a simple mobilization of groups of teeth by segmental osteotomy to complex mobilization of the mandible and/or maxilla
Summary
Orthodontic and surgical modifications have been shown to have aesthetic effects on the shape or position of the nose. No statistically significant differences were noted for specific cephalometric variables before and after surgery as for facial photographs. Dentofacial deformities, in which the facial skeleton differs from the accepted normal, alter the maxillomandibular complex and facial appearance They often cause a range of impacts on physical function and facial aesthetics and negatively impact people's emotional and social well-being (1). Orthognathic surgery aims to correct facial differences and improve masticatory function and facial aesthetics (3). Le Fort, I osteotomy is a procedure performed by maxillofacial surgeons to correct a wide range of dentofacial deformities. It includes procedures performed in bone, cartilage, and soft tissues of the nose that can cause nasal shape and function changes, which are sometimes unpredictable (4). This study aimed to evaluate the nasal shape by cephalometric study in patients undergoing orthognathic surgery
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