Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Radiological study of the mandibular fractures

하악골 골절에 관한 방사선학적 연구

  • Kim, Ju-Won (Department of Oral and Maxillofacial Radiology, School of Dentistry, and Institute of Oral Bio Science, Chonbuk National University) ;
  • Kim, Kyoung-A (Department of Oral and Maxillofacial Radiology, School of Dentistry, and Institute of Oral Bio Science, Chonbuk National University) ;
  • Koh, Kwang-Joon (Department of Oral and Maxillofacial Radiology, School of Dentistry, and Institute of Oral Bio Science, Chonbuk National University)
  • 김주원 (전북대학교 치의학전문대학원 구강악안면방사선학교실 및 구강생체과학연구소) ;
  • 김경아 (전북대학교 치의학전문대학원 구강악안면방사선학교실 및 구강생체과학연구소) ;
  • 고광준 (전북대학교 치의학전문대학원 구강악안면방사선학교실 및 구강생체과학연구소)
  • Published : 2009.06.30
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Abstract

Purpose: To classify and evaluate the mandibular fractures. Materials and Methods : The author classified the mandibular fractures of 284 patients who were referred to the Chonbuk National University Dental Hospital during the period from March 2004 to June 2007. This study was based on the conventional radiographs as well as computed tomographs which were pertained to the 284 patients who have had the mandibular fractures including the facial bone fractures. And mandibular fractures were classified with respect to gender, age, site and type of the fractures. Results: More frequently affected gender with mandibular fracture was male with the ratio of 3.3:1. The most frequently affected age with mandibular fracture was third decade (38%), followed by fourth decade (16%), second decade (15%), fifth decade (11 %), sixth decade (7%), seventh decade (5%), eighth decade (4%), first decade (4%), and ninth decade (0.3%). The most frequent type of mandibular fracture was single fracture (58%), followed by double fracture (39%), triple fracture (3%). The most common site of mandibular fracture was mandibular condyle as 113 cases (27.7%) and the next was mandibular symphysis as 109 cases (26.7%), mandibular angle as 103 cases (25.3%), mandibular body as 83 cases (20.3%) in order. The sum of fracture sites were 408 sites and there were 1.4 fracture sites per one patient. The number of mandible fractures accompanied with facial bone fractures were 41 cases (14.4%). Conclusion: The results showed the most frequent type and common site of mandibular fracture was single fracture and mandibular condyle respectively. (Korean J Oral Maxillofac Radiol 2009; 39: 93-8)

Keywords

References

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