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A Retrospective Cephalometric Evaluation on Location of Center of Mandibular Autorotation after Le Fort I Superior Repositioning Osteotomy

سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 267

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شناسه ملی سند علمی:

JR_ORTHO-9-1_007

تاریخ نمایه سازی: 3 اسفند 1400

چکیده مقاله A Retrospective Cephalometric Evaluation on Location of Center of Mandibular Autorotation after Le Fort I Superior Repositioning Osteotomy

Introduction: A possible treatment option for non-growing patients with vertical maxillary excess (VME), is superior repositioning of maxilla with or without mandibular surgery. After maxillary impaction, mandible rotates around a center. A common assumption at the time of cephalometric prediction, is taking condyle as an unchangeable center of rotation. Any error in determination of center of mandibular autorotation (CMA) may lead to improper jaw positioning and unaesthetic results. Materials and methods: In this study, before and after cephalometric radiographs from fourteen orthognathic patients with maxillary impaction were evaluated. Results: showed that center of mandibular autorotation are not similar in different patients, partly because of individualized craniofacial morphology. Therefore, precise determination of center of mandibular autorotation is necessary for obtaining ideal results.

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نویسندگان مقاله A Retrospective Cephalometric Evaluation on Location of Center of Mandibular Autorotation after Le Fort I Superior Repositioning Osteotomy

Tahereh Hosseinzadeh Nik

Professor, Dental research center, Dentistry research institute, Tehran University of Medical Sciences, Tehran, Iran And Department of Orthodontics, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

E. Sadat Emdadian Razavi

Postgraduate student, Orthodontic department, Dental school, Tehran University of Medical Sciences

Afsaneh Modarresi

Postgraduate student, Oral and maxillofacial surgery department, Dental school, Azad University of Medical Sciences

‪Mobina Mollaei

Postgraduate student, Orthodontic department, Dental school, Azad University of Medical Sciences