Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Prevalence and Clinical Features of Molar-Incisor Hypomineralization in Adolescents in Yangsan

양산시 거주 청소년의 MIH 유병률과 임상적 특성

  • Shin, Jonghyun (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Lee, Geumlang (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Kim, Jongsoo (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Kim, Jiyeon (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Kim, Shin (Department of Pediatric Dentistry, School of Dentistry, Pusan National University)
  • 신종현 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 이금랑 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 김종수 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 김지연 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 김신 (부산대학교 치의학전문대학원 소아치과학교실)
  • Received : 2016.12.01
  • Accepted : 2017.01.25
  • Published : 2017.05.31
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Abstract

This study aimed to investigate the prevalence and distribution of enamel hypomineralization, including molar-incisor hypomineralization (MIH), among adolescents and assess their correlation with esthetic satisfaction. A total of 1371 adolescents between the ages of 14 and 16 years in Yangsan city were evaluated for enamel hypomineralization, including MIH, according to the European Academy of Paediatric Dentistry (EAPD) criteria. In a parallel survey, esthetic satisfaction about anterior teeth and its correlation with incisor enamel hypomineralization were analyzed. The prevalence of MIH was 13.8% (n = 189), while that of hypomineralization in any permanent tooth was 23.2% (n = 318), which was substantially greater compared to the national prevalence of MIH. Mandibular first molars exhibited the highest prevalence of hypomineralization, followed by maxillary central incisors and mandibular second molars. Among anterior teeth, the most frequently affected site was the incisal edge of maxillary central incisors. A high degree of hypomineralization in anterior teeth was associated with a high demand for esthetic treatment.

본 연구는 영구치열이 완성된 청소년을 대상으로, MIH를 포함한 영구치 법랑질 저광화의 유병률과 분포를 조사하고, 심미적 만족도와의 연관성을 파악할 목적으로 시도되었다. 양산시 거주 14 - 16세 청소년 1371명을 대상으로 횡단연구가 수행되었다. MIH를 포함한 법랑질 저광화는 유럽소아치과학회 기준에 의거하여 평가하였다. 전치부 심미성에 대한 설문 조사를 병행하여 전치부 법랑질 저광화의 연관성을 분석하였다. MIH에 이환된 경우는 189명으로 13.8%의 유병률을 보였다. 모든 영구치 중 1개 이상에서 저광화 병소가 나타난 경우는 318명(23.2%)으로 일반적인 MIH 기준 적용시에 비해 매우 높게 나타났다. 영구치에 나타난 법랑질 저광화 이환 빈도는 하악 제1대구치, 상악 중절치, 하악 제2대구치 순이였다. 전치부에 대한 평가에서는 상악 중절치의 절단연이 가장 높은 이환 빈도를 보였다. 전치부에서 저광화 병소가 존재하는 경우 높은 심미치료 요구도가 관찰되었다.

Keywords

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