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하악 제2소구치 결손과 연관된 치아 결손 및 발육지연

Tooth Agenesis and Delay in Patients with Agenesis of Mandibular Second Premolars

  • 박민지 (연세대학교 치과대학 소아치과학교실) ;
  • 김성오 (연세대학교 치과대학 소아치과학교실) ;
  • 송제선 (연세대학교 치과대학 소아치과학교실) ;
  • 이제호 (연세대학교 치과대학 소아치과학교실)
  • Park, Minji (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Kim, Seong-Oh (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Song, Je Seon (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Jaeho (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
  • 투고 : 2018.02.27
  • 심사 : 2018.06.15
  • 발행 : 2018.11.30

초록

선천적 치아의 결손은 비교적 흔한 치아 발육장애이며 하악 제2소구치의 결손은 치아 결손 중 가장 많이 나타나는 것으로 알려져 있다. 이 연구의 목적은 하악 제2소구치 결손과 연관되어 나타나는 다른 치아의 결손 및 치아의 발육 지연에 대해 조사하는 것이다. 이 연구는 2014년부터 2016년까지 연세대학교 치과대학을 내원하여 파노라마 방사선을 찍은 만 9세-15세의 소아청소년 중 하악 제2소구치 결손이 있는 환자를 대상으로 시행되었다. 하악 제2소구치의 결손을 가진 125명의 환자들 중 다른 치아의 결손은 58명(46.4%)에서 나타났으며 발육이 지연된 치아는 38명(30.4%)에서 나타났다. 이번 연구에서 하악 제2소구치의 결손을 가진 환자는 그렇지 않은 어린이와 비교하였을 때 치아 결손 및 치아 발육지연의 유병률이 높게 나타났다.

Tooth agenesis is a common human dental anomaly and the agenesis of mandibular second premolars has been proven to be the most frequently observed. The aim of this study is to investigate tooth agenesis and delayed tooth development in patients with agenesis of mandibular second premolars. This study reviewed 9 to 15 year-old patients with agenesis of mandibular second premolars who visited the department of pediatric dentistry of Yonsei University Dental Hospital and took panoramic radiographs from January 2014 to December 2016. On panoramic radiographs, agenesis of teeth was observed and developmental delay of teeth was evaluated by the Nolla method. Among 125 patients with agenesis of mandibular second premolars, 58 patients (46.4%) showed agenesis of other teeth and 38 patients (30.4%) showed delayed tooth development. In this study, patients with agenesis of mandibular second premolars were more likely to have tooth agenesis or delayed eruption of other teeth.

키워드

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