Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Clinical Management and Micro-Computed Tomography Analysis of Supernumerary Teeth in Infancy: A Case Report

영유아기 과잉치의 임상적 처치 및 micro-computed tomography 분석: 증례 보고

  • Chaehyun, Na (Department of Pediatric Dentistry, Wonju Severance Christian Hospital, Yonsei University) ;
  • Hana, Lee (Division of Biomedical Engineering, Yonsei University) ;
  • Hansung, Kim (Division of Biomedical Engineering, Yonsei University) ;
  • Jihun, Kim (Department of Pediatric Dentistry, Wonju Severance Christian Hospital, Yonsei University)
  • 나채현 (연세대학교 원주세브란스기독병원 소아치과) ;
  • 이한아 (연세대학교 의공학과) ;
  • 김한성 (연세대학교 의공학과) ;
  • 김지훈 (연세대학교 원주세브란스기독병원 소아치과)
  • Received : 2022.04.13
  • Accepted : 2022.05.25
  • Published : 2022.08.31
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Abstract

Supernumerary teeth develop from excessive proliferation and development of the dental lamina. Supernumerary teeth can cause several problems, including ectopic eruption, delayed eruption, root resorption of adjacent teeth, and diastema. Supernumerary teeth in infancy are rare and have rarely been reported. Case of a 2-day-old infant with 3 supernumerary teeth is presented here and the patient was followed up for 21 months. The erupted supernumerary tooth in the primary dentition was extracted under moderate sedation at the age of 14 months. Microcomputed tomography analysis of the extracted tooth confirmed microscopic root malformation. After extraction, the midline diastema was reduced and oral hygiene improved. Early diagnosis and prompt treatment can prevent complications of supernumerary teeth.

과잉치는 치판의 과도한 성장과 분화에 의해서 발생된다. 이로 인해 이소맹출, 맹출지연, 인접치의 치근 흡수, 그리고 치간이개 등의 문제가 발생할 수 있다. 영유아기에서의 과잉치는 드물며 국내에서는 거의 보고되지 않았다. 이 증례에서는 3개의 매복된 과잉치가 있는 생후 2일된 신생아에 대해 보고하고 있으며, 환자는 21개월간 추적 관찰되었다. 유치열기에 맹출된 하나의 과잉치는 14개월이 되었을 때 중등도 진정 하에 발치되었다. 발치된 과잉치에 대해 micro-computed tomography (CT) 분석을 진행하여 치근단 부위의 미세한 형태 이상을 확인하였다. 과잉치 발치 후 치간이개는 감소하였고 구강위생도 개선되었다. 조기 진단 및 치료를 통해 과잉치로 인한 합병증을 예방할 수 있다.

Keywords

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