대한소아치과학회지 (Journal of the korean academy of Pediatric Dentistry)

  • 제49권4호
  • /
  • Pages.442-452
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  • 2022
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  • 1226-8496(pISSN)
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  • 2288-3819(eISSN)
대한소아치과학회 (Korean Academy of Pediatric Dentistry)
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파노라마 방사선사진과 CBCT를 이용한 매복 상악 견치의 위치 평가

Evaluation of Impacted Maxillary Canine Position Using Panoramic Radiographs and Cone-beam Computed Tomography

  • 황대영 (전남대학교 치의학전문대학원 소아치과학교실) ;
  • 최남기 (전남대학교 치의학전문대학원 소아치과학교실) ;
  • 김선미 (전남대학교 치의학전문대학원 소아치과학교실)
  • Daeyoung, Hwang (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University) ;
  • Namki, Choi (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University) ;
  • Seonmi, Kim (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University)
  • 투고 : 2022.09.08
  • 심사 : 2022.10.11
  • 발행 : 2022.11.30
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초록

이 연구의 목적은 파노라마 방사선사진에서 분석한 매복 상악 견치의 위치와 각도를 CBCT 영상에서 분석한 매복된 견치의 순구개측 위치, 인접 치아의 치근흡수와 비교 및 평가하는 것이다. 총 54명의 환자, 69개의 매복 상악 견치가 연구에 포함되었다. 파노라마 방사선사진에서 매복 상악 견치의 근원심 위치(구역 I - V)와 각도, 수직적 위치가 평가되었다. 순구개측 위치와 인접 치아의 치근흡수는 CBCT 상에서 평가되었다. 파노라마 방사선사진의 근원심 위치 분석에서 순측 매복은 구역 I에서 가장 많았다. 치열궁 내 매복은 구역 I과 II에서 가장 많았다. 구개측 매복은 구역 III, IV, V에서 가장 많았다. 파노라마 방사선사진에서 근심에 위치할수록 구개측에 매복되는 경향이 있었다. 인접 치아 치근흡수의 대부분은 구역 III, IV, V에서 발생했다. 수평 기준선에 대해 작은 각도를 가진 매복 견치는 구개측에 매복되고 인접 치아의 치근흡수를 일으키는 경향이 있었다. 파노라마 방사선사진에서 매복 상악 견치의 근원심 위치와 각도에 대한 분석은 매복 견치의 순구개측 위치와 인접 치아 치근흡수의 예측 가능성을 보여주었으며, 이는 CBCT 촬영에 대한 의사결정에 유용할 수 있다.

The purpose of this study was to compare the mesio-distal and vertical position of impacted maxillary canines on panoramic radiographs with the labio-palatal position of impacted canines and root resorption of adjacent teeth on CBCT (Cone-Beam Computed Tomography). A total of 54 patients with 69 impacted maxillary canines were included in this study. On panoramic radiographs, the mesio-distal (Sector I - V), and vertical position, and angulation of impacted maxillary canines were evaluated. Labio-palatal position and root resorption of adjacent teeth were evaluated on CBCT. Labial impaction of canines was most frequent in panoramic sector I. Impaction within the arch was most frequent in sector I and II. Palatal impaction was most frequent in sector III, IV, and V. Mesially positioned canines on panoramic radiographs tended to be palatally impacted. Most of the root resorption of adjacent teeth occurred in sector III, IV, and V (p < 0.05). Canines with low angulation on panoramic radiographs tended to be palatally impacted and resorb the roots of adjacent teeth. The vertical position of impacted canines on panoramic radiographs was not statistically significant with respect to labio-palatal position and root resorption of adjacent teeth on CBCT. Analysis of the mesio-distal position and angulation of impacted maxillary canines on panoramic radiographs can be used to predict the labio-palatal position of impacted canines and root resorption of adjacent teeth.

키워드

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