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Correction of Mandibular prognathism in Combination with Polydiastema Using Rectangular Body Ostectomy: Literature Review and Case Report

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Case Reports in Clinical Medicine 2014年第11期3卷 601-608页

作者： Metin Sencimen Abdullah Tugrul Coskun Gurkan Rasit Bayar Handan Altug Hasan Ayberk Altug Tamer Zerener Gulhane Military Medical Academy Department of Oral Maxillofacial Surgery Ankara Turkey Gulhane Military Medical Academy Department of Orthodontics Ankara Turkey

Objective: Mandibular prognathism is inadaptability between skull and mandible and is one phenotype of class III malocculsion. Polydiastema may be present together with class III malocclusion. Skeletal class III malocclusion with mandibular prognathism can be diagnosed by cephalometric parameters. Study Design: A 22-year-old man complaining about difficult mastication and speech was referred to Department of Oral and Maxillofacial Surgery. According to the cephalometric analysis of the patient in sagittal plane, maxilla was 3 mm behind and mandible was 1 mm ahead from the skull base. During presurgical orthodontic treatment, polydiastema was treated in maxilla and mandible. Result and Conclusions: Skeletal class III malocclusion requires an orthognathic surgical procedure including some techniques. One of these techniques is mandibular body ostectomy, which is performed often as a surgical procedure for skeletal class III malocclusion. Instead of sagittal split osteomy, the technique of madibular body ostectomy could be performed as an

关键词： Body Ostectomy Polydiastema Mandibular prognathism

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Mandible prognathism saved a life： a case report

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Chinese Journal of Traumatology 2010年第5期13卷 319-320页

作者： Hamid Mahmood Hashemi Asadollah Asgarian Department of Oral & Maxillofacial Surgery Shariati Hospital Tehran University of Medical Sciences Tehran 15614 Iran

An unusual case of a suicidal firearm injury is presented, in which the victim placed the gun under his chin and fired. However, none of the vital structures of the head and face were injured because the victim＇s chin was considerably anterior to other facial structures as a result of a class Ⅲ facial deformity. This resulted in thetrajectory of the bullet being anterior to vital facial structures and not causing injury to those structures.

关键词： Wounds, gunshot Mandible prognathism Suicide

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Combined surgical-orthodontic rehabilitation of cleidocranial dysplasia: 5 years follow-up

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World Journal of Clinical Cases 2015年第8期3卷 751-756页

作者： Emre?imen ?mür Dereci Ay?egül Mine Tüzüner-?ncül Duygu Yaz?c?o?lu Erhan?zdiler Asl??enol Nejat Bora Sayan Private Practice 34890 IstanbulTurkey Department of Oral and Maxillofacial Surgery Faculty of DentistryEskişehir Osmangazi University26480 EskişehirTurkey Department of Oral and Maxillofacial Surgery Faculty of DentistryAnkara University06500 AnkaraTurkey Private Practice 06500 AnkaraTurkey Department of Orthodontics Faculty of DentistryAnkara University06500 AnkaraTurkey

Cleidocranial dysplasia(CD) is an autosomal dominant syndrome which is characterized by several skeletal malformations such as non-closed fontanelles, skeletal abnormalities of the maxilla and mandible and absence of clavicles. Mid-facial hypoplasia and mandibular prognathism are mostly seen jaw abnormalities in CD. In this study, the combined orthodontic-surgical treatment of a patient with CD with class Ⅲ malocclusion and multiple unerupted primary and deciduous teeth is presented.

关键词： Cleidocranial dysplasia Marie-Sainton syndrome Forced eruption prognathism Orthodontic extrusion

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Changes of Transverse Mandibular Width in Set-Back Mandibular Surgery: Sagittal Split versus Intraoral Verticosagittal Osteotomy

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International Journal of Clinical Medicine 2018年第5期9卷 400-407页

作者： Farnoosh Razmara Hamid Mahmoodhashemi Shohreh Zahraei Ali Mahmoudhashemi Department of Oral and Maxillofacial Surgery Craniomaxillofacial Research Center Tehran University of Medical Sciences Tehran Iran Department of Pediatric Dentistry Dental Branch Islamic Azad University Tehran Iran Dentist Private Practice Tehran Iran

Aim: This study was performed to evaluate the movement of the proximal segment following different methods of ramus osteotomy that is one of the side effects of orthognathic surgery. Theoretically, with intraoral verticosagittal ramus osteotomy, it can minimize the movement of the proximal segment. The changes in the intergonal distance of mandible and the angle of the ramus flaring in two methods of osteotomy have been compared in this study. Materials and Methods: In this randomized clinical trial, included 60 patients (32 males) with mandibular prognathism and without any asymmetry were selected and divided into two groups (n = 30). One group underwent bilateral sagittal split ramus osteotomy technique to achieve mandibular setback and the other by the intraoral verticosagittal ramus osteotomy technique. Intergonial width and inner-ramal angle in the transverse plane were measured on radiographs preoperatively and 1 and 12 weeks postoperatively. Data were analyzed using covariance test with the significance level set at P 0.1). Conclusion: Considering our findings, there was no significant difference between two ramus osteotomy techniques regarding changes in mandibular width and inter-ramal flaring angle.

关键词： Bilateral Sagittal Split Ramus Osteotomy (BSSRO) Intraoral Verticosagittal Ramus Osteotomy (IVSRO) Intergonial Width Mandibular prognathism Inter Ramal Angle

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