Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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A Study on Position of the Mental Foramen in Children Using Panorama

파노라마를 이용한 어린이의 이공 위치에 관한 연구

  • Jo, Eunjeong (Department of Pediatric Dentistry, College of Dentistry, Wonkwang University) ;
  • Lee, Jewoo (Department of Pediatric Dentistry, College of Dentistry, Wonkwang University) ;
  • Ra, Jiyoung (Department of Pediatric Dentistry, College of Dentistry, Wonkwang University)
  • 조은정 (원광대학교 치과대학 소아치과학교실) ;
  • 이제우 (원광대학교 치과대학 소아치과학교실) ;
  • 라지영 (원광대학교 치과대학 소아치과학교실)
  • Received : 2018.09.19
  • Accepted : 2018.10.19
  • Published : 2019.05.31
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Abstract

The purpose of this study was to investigate the changes of the position of the mental foramen according to age by using panorama of children with mixed and early permanent dentition. 180 panorama of 6 to 13-year-old boys and girls were analyzed and PiView(Infinitt, Korea) program was used. The horizontal position of the mental foramen was evaluated by the relative position of the teeth. The vertical position of the mental foramen was evaluated by the ratios between the distance from the center of the mental foramen to the inferior border of the mandible and the distance from to the alveolar crest to the inferior border of the mandible. The mental foramen was horizontally located in the anterior aspect of the second primary molar(premolar), and vertically slight below the half of mandibular body. As the age increased, it moved to the posterior and the downward and showed a significant correlation with age.

이 연구는 6 - 13세의 혼합치열기 및 초기 영구치열기 소아의 파노라마를 이용하여 연령의 변화에 따른 이공의 위치의 변화를 알아보고자 하였다. 원광대학교 치과대학병원에 내원한 180명을 대상으로 촬영된 파노라마를 수집하였고, Piview(Infinitt, Korea) 프로그램을 사용하였다. 이공의 경우 수평적으로는 치아의 대한 상대적 위치와, 수직적으로는 이공의 중심을 지나는 치조정에서 하악하연까지의 거리와 이공의 중심에서의 하악하연까지의 거리의 비를 계산하여 이공의 위치를 평가하였다. 이공은 하악체에서 전후방적으로 제2유구치(제2소구치) 근심부에 가장 많이 위치하였으며, 제1유구치의 원심부위에 위치하였다가 연령의 증가에 따라 후방으로 이동하였고, 수직적으로는 치조골의 1/2 지점 보다 약간 하방에 위치하였으며 연령의 증가에 따라 하방으로 이동하였고 연령과 유의한 상관관계를 보였다.

Keywords

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