초등학생의 Molar Incisor Hypomineralization 유병률과 제1대구치 치아우식증 및 수복상태 조사
The prevalence of molar incisor hypomineralization and status of first molars in primary school children
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Molar Incisor Hypomineralization(MIH)에 관하여 최근 많은 연구적 관심이 집중되고 여러 임상적 대처방법들이 제시되고 있다. 이미 세계적으로는 MIH의 빈도, 병인, 치료 등에 관한 많은 연구보고가 있었으나, 우리나라에서는 이에 대한 관심이 아직 미미한 것으로 사료된다. 본 연구는 초등학생의 MIH 유병률과 제1대구치 우식 및 치료 실태에 대하여 조사할 목적으로 시도되었다. 부산 및 울산광역시에 거주하는 1,344명의 초등학생을 대상으로, 상하 제1대구치와 전치부를 직접 시진하여, MIH 유병률, 제1대구치 우식경험지수와 치료 상태를 조사하여 다음과 같은 결과를 얻었다. 총 1,344명의 조사 대상 중 81명에서 MIH가 나타나, 유병률은 6.0%를 보였으며, MIH에 이환된 어린이의 제1대구치 우식경험지수는 비이환군에 비해 통계적으로 유의하게 높았다(P<0.05). 한편, 제1대구치 우식경험지수는 1.17개로 나타났다. 조사 대상 제1대구치의 13.6%가 수복되어 있었고, 수복재 별로는복합 레진, 아말감, gold inlay의 순이었다.
Abstract
Molar Incisor Hypomineralization(MIH) have recently gained intensive research interests and various clinical trials. Most prevalence, etiology, treatment studies in MIH were carried out in the European countries, and data from the Korean were seldom. This study aimed to investigate the prevalence of MIH and the status of dental caries and treatment on the first permanent molars in primary school children. For this study, 1,344 primary school students in Busan and Ulsan cities were examined directly the permanent incisors and first molars. The results of the survey were as follows:81 MIH cases were identified among 1,344 cases. The prevalence of MIH in this group of children was 6.0%. Children with MIH showed a significantly higher DMFT value for permanent teeth than children without MIH. The mean number of decayed, missed, and filled in 1st permanent molars(DMFT index) was 1.17. The rate of children with restoration on 1st permanent molar was 13.6% and the sequence of restoration materials was as follows : composite resin, amalgam, gold inlay.
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