Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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A Retrospective Study on the Effect of Pulp Treatment on the Exfoliation of Primary Teeth

유치 치수치료가 치아 탈락에 미치는 영향에 관한 후향적 연구

  • Sejung Bang (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Miran Han (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Jongbin Kim (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Junhaeng Lee (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Jongsoo Kim (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Jisun Shin (Department of Pediatric Dentistry, College of Dentistry, Dankook University)
  • 방세정 (단국대학교 치과대학 소아치과학교실) ;
  • 한미란 (단국대학교 치과대학 소아치과학교실) ;
  • 김종빈 (단국대학교 치과대학 소아치과학교실) ;
  • 이준행 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실) ;
  • 신지선 (단국대학교 치과대학 소아치과학교실)
  • Received : 2022.09.15
  • Accepted : 2022.11.14
  • Published : 2023.02.28
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Abstract

The aim of this study was to retrospectively analyze the effects of pulp treatment on exfoliation of primary teeth and its related factors. In this study, 167 teeth of 97 patients aged 6 months to 12 years who were treated with pulp treatment at Dankook Dental Hospital were selected, and information related to pulp treatment and tooth loss was collected. The included subjects were 72 primary anterior teeth (43.1%) and 95 primary posterior teeth (56.9%), of which 56 were males (57.7%) and 41 females (42.3%). The mean follow-up period was 106.1 ± 38.7 months, and the mean age at pulp treatment was 34.8 ± 15.4 months for primary anterior teeth and 69.1 ± 25.1 months for primary posterior teeth. Unilaterally pulpectomized teeth were significantly exfoliated earlier than the same tooth on the opposite side (p < 0.05). Also, in the case of teeth with periapical lesions, despite pulp treatment, the probability of extraction due to infection has been increased on primary anterior teeth (p < 0.05), but not on posterior teeth (p > 0.05). Pulpectomized teeth were lost earlier, an average of 7.8 months for primary anterior teeth and 8.5 months for primary posterior teeth. Early loss of the primary tooth can lead to space loss and premature eruption of the successor, so this can be considered when planning or performing treatment of the primary tooth.

이 연구의 목적은 유치 치수치료가 치아의 상실에 미친 영향과 관련 요인에 대해 후향적으로 분석하는 것이다. 연구에는 단국대학교 부속 치과병원 소아치과에 내원하여 유치 치수치료를 받은 6개월 - 12세의 환자 97명의 167개 치아가 포함되었고, 치수치료와 치아상실에 관련된 정보가 수집되었다. 연구에 포함된 환자는 남자 56명(57.7%), 여자 41명(42.3%), 치아는 유전치 72개(43.1%), 유구치 95개(56.9%)였다. 평균 관찰기간은 106.1 ± 38.7개월이고, 치료 시 연령은 평균 유전치 34.8 ± 15.4개월, 유구치 69.1 ± 25.1개월이었다. 한 악궁에서 한쪽 치아만 치수치료를 시행한 환자의 좌우측 동명치 탈락 또는 발치 시기를 비교하였을 때 치수절제술된 치아가 유의하게 빨리 상실되었다(p < 0.05). 또, 치료 전에 치근단 염증을 보이는 경우, 치수치료 후에도 염증으로 인해 발치할 확률이 유전치에서 증가했고(p < 0.05, Odds Ratio = 11.04), 유구치에서는 그렇지 않았다(p > 0.05). 치수절제술이 시행된 유치는 유전치에서 평균 7.8개월, 유구치에서 평균 8.5개월 조기 탈락하였다. 유치의 조기 탈락은 공간상실과 계승 영구치의 조기 맹출로 이어질 수 있고, 이는 유치의 치수치료 및 치료계획 수립 시 판단기준으로 활용될 수 있을 것으로 보인다.

Keywords

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