Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Eruption Pattern in Madibular Premolars Associated with Dentigerous Cysts after Marsupialization

함치성 낭에 이환된 하악 소구치의 조대술 후 맹출 양상

  • Choi, Shinae (Department of Pediatric Dentistry, School of Dentistry, Kyungpook National University) ;
  • Kim, Youngjin (Department of Pediatric Dentistry, School of Dentistry, Kyungpook National University) ;
  • Kim, Hyunjung (Department of Pediatric Dentistry, School of Dentistry, Kyungpook National University) ;
  • Nam, Soonhyeun (Department of Pediatric Dentistry, School of Dentistry, Kyungpook National University)
  • 최시내 (경북대학교 치의학전문대학원 소아치과학교실) ;
  • 김영진 (경북대학교 치의학전문대학원 소아치과학교실) ;
  • 김현정 (경북대학교 치의학전문대학원 소아치과학교실) ;
  • 남순현 (경북대학교 치의학전문대학원 소아치과학교실)
  • Received : 2014.09.19
  • Accepted : 2014.11.05
  • Published : 2015.02.28
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Abstract

The purpose of this study was to evaluate the eruption patterns of mandibular premolars associated with dentigerous cysts after marsupialization regarding the depth, angulation and root development of impacted teeth. Spontaneous eruption was found in 93% of mandibular premolars after marsupialization. Eruption speed and rate of angulation change were greater in mandibular premolars associated with a cyst than those on the non-cyst side. The group with less matured roots tended to have greater eruption speed and angulation change. The eruption speed and angulation change declined rapidly during the first 6 months after marsupialization. Based on the results of this study, it might be possible to predict the eruption pattern of mandibular premolars associated with a cyst after marsupialization, which would be useful for treatment planning.

본 연구는 최근 12년간 하악 소구치에 발생한 함치성 낭을 가진 환자에 대하여 조대술을 시행한 후 해당 치아의 맹출 양상과 이에 영향을 미칠 수 있는 매복치의 깊이, 경사도, 매복치 치근의 발달 정도 등과의 관계를 평가하였다. 조대술을 시행 한 후 93%의 하악 소구치가 자발적으로 맹출 했으며, 낭종에 이환된 소구치는 이환되지 않은 대조군보다 조대술 후 더 빠르게 맹출 되었고 각도 변화도 더 크게 나타났다(p < 0.05). 이환된 소구치의 치근 발육정도가 낮을수록 맹출 속도가 빠르게 나타났고(p < 0.05), 치축각 변화량은 커지는 경향을 보였으나 통계학적으로 유의하지 않았다(p > 0.05). 대부분의 경우 맹출 속도와 치축각의 변화는 조대술 후 6개월 이내에 나타났다. 이 연구의 결과를 통해 함치성 낭에 이환된 치아의 조대술 후 자발적인 맹출 유도양상에 대한 정보를 제공하여 적절한 진단을 통해 바람직한 치료계획을 수립하는데 도움을 줄 것이다.

Keywords

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