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하악 전돌증 환자에서 전산화 단층 촬영을 이용한 하악관의 해부학적 위치에 관한 연구
STUDY ON THE ANATOMICAL POSITION OF MANDIBULAR CANAL USING COMPUTED TOMOGRAPHY IN MANDIBULAR PROGNATHISM PATIENTS

이동현    (대구파티마병원 구강악안면외과   ); 김재원    (대구파티마병원 구강악안면외과   ); 이수연    (대구파티마병원 구강악안면외과   ); 김재현    (대구파티마병원 구강악안면외과   ); 안상헌    (동국대학교 경주병원 구강악안면외과   ); 이상한    (경북대학교 치의학전문대학원 구강악안면외과학교실   ); 장현중    (경북대학교 치의학전문대학원 구강악안면외과학교실  );
  • 초록

    Purpose: In this study, we analyzed and compared the anatomical position of the mandibular canal in normal occlusion and mandibular prognathism patients. Patients and Methods: Computed tomography image from 58 patients were divided into normal occlusion group and mandibular prognathism group, and each measurement were taken in the each measuring points(2nd premolar, 1st molar, 2nd molar, 3rd molar, ramus). Measurements were statistically analyzed by student's t-test. Results: BC (Thickness of the buccal cortex) value was 2.3~2.7 mm, CB (Distance from the canal to the lingual aspect of the buccal cortex) value was 1.3~4.3 mm, MC (Diameter of the canal) value was 3.2~3.8 mm, LI (Distance from the canal to the lingual aspect of the lingual cortex) value was 2.0~3.7 mm, TM (Thickness of the total mandible) value was 9.5~12.9 mm and CM (Distance from the canal to the inferior border of the mandible) value was 6.9~17.5 mm. Conclusion: In the comparison between two groups, there was statistically significant difference in CB value of 2nd, 3rd molar between normal occlusion and mandibular prognathism, and other value in the rest of the measuring points didn't show statistically significant difference.


  • 주제어

    Mandibular canal .   Computed tomography .   Mandibular prognathism.  

  • 참고문헌 (22)

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