소아∙청소년에서 맹출 전 치관 내 방사선 투과상의 유병률과 특징
The Prevalence and Characteristics of Pre-eruptive Intracoronal Radiolucencies in Children and Adolescents
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초록
이 연구의 목적은 한국 소아 청소년의 파노라마 방사선 사진 상에서 나타나는 맹출 전 치관 내 방사선 투과상(pre-eruptive intracoronal radiolucencies; PEIR)의 유병률과 병소의 특징에 대하여 조사하는 것이다. 이 연구에는 전국 10개 치과대학병원에 내원한 만 5세에서 14세 환자 3,000명의 파노라마가 사용되었다. 환자의 나이와 성별, PEIR 이 발견된 치아의 종류 및 치아 개수, 병소의 치관 내 위치 및 크기를 조사하였다. PEIR의 환자당 유병률은 2.5%였으며 성별에 따른 PEIR의 유병률의 유의한 차이는 없었다. PEIR이 가장 많이 발견된 치아는 하악 제1대구치로 전체의 29.6%를 차지하였다. 병소의 56.8%가 치관의 중간 1/3에서 나타났으며, 87.5%가 치관부 상아질 두께의 1/3이하의크기를 보였다.
Abstract
The purpose of this study was to investigate the prevalence and characteristics of pre-eruptive intracoronal radiolucencies (PEIR) from panoramic radiographs in Korean children and adolescents. This study examined panoramic radiographs of 3,000 patients aged between 5 and 14 years old who visited ten dental hospitals in Korea. The age and gender of the patients, the tooth type, the number of intracoronal radiolucent lesions, and the location and size of the lesions were recorded. The overall prevalence of patients with PEIR was 2.5%. The difference in the presence of PEIR between both genders was not significant. Within each tooth type, the mandibular first molar showed highest prevalence of PEIR (29.6%). The central part of the crown was the most frequently observed location of PEIR (56.8%). The size of the PEIR lesions was mostly limited to less than one-third of the thickness of coronal dentin.
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