Soft tissue changes after maxillo-mandibular advancement in OSAS patients: A three-dimensional study |
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| Institution: | 1. Division of Maxillofacial Surgery (Head: Prof. S. Berrone, MD, DDS), Department of Head and Neck Surgery, San Giovanni Battista Hospital, University of Turin, Turin, Italy;2. Department of Science of Public Health and Pediatric (Head: Prof. L. Cordero di Montezemolo), University of Turin, Turin, Italy;1. Department of Maxillofacial Surgery, Leicester Royal Infirmary, Leicester, UK;2. Department of Respiratory Medicine, Salisbury District Hospital, Wiltshire SP2 8BJ, UK;1. PhD Fellow, Department of Oral and Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg; University of Southern Denmark, Faculty of Health Sciences, Institute of Regional Health Services Sciences, Esbjerg, Denmark;2. Consultant, Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, Rome, Italy; Section of Orthodontics, Department of Dentistry and Oral Health, Faculty of Health Science, Aarhus University, Aarhus, Denmark;3. Head of Department, Oral and Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg, Denmark;4. Senior Consultant, Department of Oral and Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg, Denmark;6. Associate Professor, Section of Orthodontics, Department of Dentistry and Oral Health, Faculty of Health Science, Aarhus University, Aarhus, Denmark;5. Professor, University of Southern Denmark, Faculty of Health Sciences, Institute of Regional Health Services Sciences, Esbjerg; Department of Oral and Maxillofacial Surgery, Hospital of South West Denmark, Esbjerg, Denmark;1. Department of Maxillofacial Surgery, Leicester Royal Infirmary, Infirmary Square, Leicester LE1 5WW, UK;2. Respiratory Medicine, Salisbury Hospital, Odstock Road, Salisbury, Wiltshire SP2 8BJ, UK;1. Oral and Maxillofacial Surgery Unit, S. Orsola Malpighi University Hospital, Bologna, Italy;2. Department of Medical and Surgical Sciences. Alma Mater Studiorum – University of Bologna. Bologna, Italy;3. Professor of Maxillofacial Surgery, Department of Biomedical Science and Neuromotor Science, Dental School and S. Orsola Malpighi University Hospital, Alma Mater Studiorum - University of Bologna, Bologna Italy;4. Post-graduate School of Maxillofacial Surgery, University of Bologna, Bologna Italy;5. Maxillofacial Surgery Unit, Department of Biomedical Science and Neuromotor Science, S. Orsola Malpighi University Hospital, Alma Mater Studiorum - University of Bologna, Bologna Italy;1. Chief, Division of Dentistry/Oral and Maxillofacial Surgery, Ottawa Hospital, and Assistant Professor, Department of Otolaryngology, University of Ottawa School of Medicine, Ottawa, Ontario, Canada;2. Research Assistant, Queen''s University, Kingston, Ontario, Canada;3. Assistant Professor, Department of Otolaryngology, University of Ottawa School of Medicine, Ottawa, Ontario, Canada;4. Research Assistant, Division of Dentistry/Oral and Maxillofacial Surgery, Ottawa Hospital, Ottawa, Ontario, Canada |
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| Abstract: | IntroductionMaxillo-mandibular advancement (MMA) is the most successful surgical treatment for OSAS. This study prospectively evaluated soft tissue changes in typical OSAS patient before and after MMA.Material and methodsTen patients with severe OSAS, who underwent MMA, were considered. Age, BMI, polysomnographic recordings and cephalometric data were examined. Facial surface data acquired using a 3D laser scanner before (T0) and 1 year (T1) after surgery were pooled by electronic surface averaging to obtain the mean T0 and T1 facial model. A virtual optimal face (V) was used as control group. Mean T0, T1 and V models were compared.ResultsThe mean AHI improved from 69.8 ± 35.2 to 17.3 ± 16.7. The mean maxillary advancement was 9.2 mm ± 1.2 and the mean mandibular advancement was 10.4 mm ± 2.2. The comparison between T0 and T1 showed an overall increase of the sagittal projection of the cheeks, lips and of the chin. The comparison between T1 and V showed a transversal increase of the cheeks at the cross section through ch (cheilon).ConclusionMMA is a highly effective treatment for OSAS. The evaluations of 3D laser scanning showed that surgery in OSAS patients didn't cause an impairment of the facial appearance. |
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