Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Distraction osteogenesis in a severe mandibular deficiency | Head Face Medicine BioMed Central Case report Distraction osteogenesis in a severe mandibular deficiency Kerim Ortakoglu1 Seniz Karacay2 Metin Sencimen 1 Erol Akin2 Aykut H Ozyigit1 and Osman Bengi2 Open Access Address Department of Oral and Maxillofacial Surgery Gulhane Military Medical Academy Ankara Turkiye and 2Department of Orthodontics Gulhane Military Medical Academy Ankara Turkiye Email Kerim Ortakoglu - kortakoglu@ Seniz Karacay-senkaracay@ Metin Sencimen - metinsencimen@ Erol Akin - erol1akin@ Aykut H Ozyigit - aykutozyigit@ Osman Bengi - osmanbengi@ Corresponding author Published 20 January 2007 Received 28 June 2006 . Accepted 20 January 2007 Head Face Medicine 2007 3 7 doi l 746-160X-3-7 This article is available from http content 3 1 7 2007 Ortakoglu et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Objective Distraction osteogenesis is an alternative treatment method for the correction of mandibular hypoplasia. In this case report distraction with a multidirectional extraoral device was performed to gradually lengthen the corpus and ramus of a patient who had a severe hypoplastic mandible. Materials and methods The patient underwent bilateral extraoral ramus and corpus distraction osteogenesis. After seven days of latency period distraction was performed mm twice a day. Subsequent consolidation period was 12 weeks. Results The patient s mandible was elongated successfully. Cephalometric analysis revealed that ANB angle decreased from 13 to 6 overjet of 15 mm decreased to 4 mm corpus length increased from 49 mm to 67 mm and ramus length increased from 41 mm to 43 mm. Posterior airway space PAS also .
