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Aim; To compare the impact of the orthodontics-first approach (OFA) with the surgeryfirst approach (SFA), for the correction of dentofacial deformities, on quality of life, anxiety and depression. Materials and methods; Data were collected from 32 patients (aged 17-47 years), all treated through a single multidisciplinary orthognathic clinic. Patients completed a 22-item Orthognathic Quality of Life Questionnaire (OQLQ), a 7-item Generalized Anxiety Disorder (GAD-7) questionnaire and a 9-item Patient Health Questionnaire (PHQ-9), at one week preoperatively (T1), then 6 weeks (T2) and 6 months (T3) postoperatively. Results; the quality of life was statistically higher for the SFA group preoperatively (P = 0.010, ES = 0.96). The mean score and the individual domain scores, of the OQLQ, showed significant improvements at 6 weeks and 6 months postoperatively. The facial aesthetic domain showed the largest improvement (ES = 2.5 in OFA and ES = 2.2 in SFA). Patients in the OFA group experienced a lower quality of life and greater deterioration in social life immediately prior to surgery. The anxiety and depression scores did not significantly reduce postoperatively in either group. The assumption that all psychological aspects of the patient's life improve following orthognathic surgery is not supported by the results of this study. Conclusion; SFA eliminates the deterioration in social life which is associated with the presurgical orthodontic decompensation phase. results suggest that the Manuscript with title (excluding any author details including names and affiliations) Click here to view linked References

Abstract'Sur-face', is an interactive mobile app illustrating different orthognathic surgeries and their potential complications. This study aimed to evaluate the efficacy of Sur-face by comparing two methods of delivering patients' information regarding orthognathic surgeries and their related potential complications: a mobile app with interactive 3D animations and a voice recording containing verbal instructions only. For each method, the participants' acquired knowledge was assessed using a custom designed questionnaire. Participants of the 'app' group performed significantly better (p<0.0034) than the 'voice' group and retained more knowledge, suggesting that interactive visualizations play a key role in improving the understanding of the orthognathic surgical procedure and its associated complications. This study emphasizes the impact of 3D visualizations in delivering information regarding orthognathic surgery and highlights the advantage of delivering validated patient information through mobile apps.