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Analysis of the Prevalence of Taurodont Deciduous Molars in Children

대한소아치과학회지 2020년 47권 4호 p.438 ~ 445
임재영, 김익환, 송제선,
소속 상세정보
임재영 ( Lim Jae-Young ) - Yonsei University College of Dentistry Department of Pediatric Dentistry
김익환 ( Kim Ik-Hwan ) - Yonsei University College of Dentistry Department of Pediatric Dentistry
송제선 ( Song Je-Seon ) - Yonsei University College of Dentistry Department of Pediatric Dentistry

Abstract


Taurodontism is an anomaly characterized by a long and broad pulpal cavity and consumed apical location of the furcation area. This study aimed to determine the prevalence of taurodontism in deciduous molars based on digital panoramic radiographs of children. The study was performed on a sample of panoramic radiographs taken from 2,473 Korean children who visited the department of pediatric dentistry, Yonsei University Dental Hospital between Nov. 2005 and Mar. 2018. Taurodontism was mainly categorized by Daito’s method. Using panoramic radiographs, taurodontism was also categorized into mesotaurodontism, hypotaurodontism, and hypertaurodontism. Mesotaurodontism was the most prevalent type. A total of 2,473 panoramic radiographs were evaluated. The prevalence of taurodontism was 5.7% in general, 51.5% in the left quadrant, 48.5% in the right quadrant, 6.3% in the maxilla, and 93.7% in the mandible. The distribution of taurodontism stratified by gender showed a higher prevalence in males. This is a comprehensive study on the prevalence of taurodontism in children using the largest sample size to date.

키워드

Taurodontism; Dental anomaly; Deciduous molar; Primary molar; Prevalence

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