Maxillofacial Plastic and Reconstructive Surgery

  • 제33권6호
  • /
  • Pages.505-511
  • /
  • 2011
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  • 2288-8101(pISSN)
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  • 2288-8586(eISSN)
대한악안면성형재건외과학회 (Korean Association of Maxillofacial Plastic and Reconstructive Surgeons)
권호 표지

하악 제3대구치와 하악 우각부 골절과의 상관관계

A Correlation between Mandibular Angle Fracture and the Mandibular Third Molar

  • 유석현 (대구가톨릭대학교병원 치과 구강악안면외과) ;
  • 이형주 (대구가톨릭대학교병원 치과 구강악안면외과) ;
  • 문지원 (대구가톨릭대학교병원 치과 구강악안면외과) ;
  • 손동석 (대구가톨릭대학교병원 치과 구강악안면외과)
  • Yu, Seok-Hyun (Department of Dentistry and Oral and Maxillofacial Surgery, Department of Dentistry, Daegu Catholic University Medical Center) ;
  • Lee, Hyung-Ju (Department of Dentistry and Oral and Maxillofacial Surgery, Department of Dentistry, Daegu Catholic University Medical Center) ;
  • Moon, Jee-Won (Department of Dentistry and Oral and Maxillofacial Surgery, Department of Dentistry, Daegu Catholic University Medical Center) ;
  • Sohn, Dong-Seok (Department of Dentistry and Oral and Maxillofacial Surgery, Department of Dentistry, Daegu Catholic University Medical Center)
  • 투고 : 2011.09.07
  • 심사 : 2011.10.03
  • 발행 : 2011.11.30
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초록

Purpose: This study evaluated correlation and risk factors between position of the mandibular third molars and mandibular angle fractures using clinical and radiographic findings. Methods: Medical records and panoramic radiographs of 188 patients with mandibular fractures were retrospectively reviewed. The presence and position of the third molars were assessed for each patient and were related to the occurrence of mandibular angle fractures. Results: The incidence of mandibular angle fracture was found to be greater when a lower third molar was present, particularly at the occlusal plane positioned on the $2^{nd}$ molar occlusal surface (by Archer system) and the third molar is impacted in mandibular ramus (by Pell & Gregory system). Of the 192 sites with a lower third molar, 32 (16%) had an angle fracture. Of the 184 site without lower third molars, 16 (8%) had an angle fracture. Conclusion: This study confirmed an increased risk of angle fractures in the presence of a lower third molar as well as variable risk for angle fracture, depending on positioning of the third molar.

키워드

참고문헌

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