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Clinical Features and Correlation With Congenital Missing Teeth of Delayed First Permanent Molar

Other Titles
 제1대구치 지연 발육의 임상 양상 및 선천성 결손치와의 연관성 
Authors
 Myeongyeon Lee  ;  Hyoseol Lee  ;  Jeseon Song  ;  Jaeho Lee  ;  Byungjai Choi  ;  Seongoh Kim  ;  Seunghye Kim 
Citation
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지), Vol.44(1) : 56-63, 2017-02 
Journal Title
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지) 
ISSN
 1226-8496 
Issue Date
2017-02
Keywords
Tooth, Unerupted ; Anodontia ; Molar, First
Abstract
Delayed eruption of the first molar, without a generalized or localized cause, is usually associated with delayed development of the affected tooth. The aim of this study was to investigate the clinical features of the first permanent molar showing delayed development and eruption, and its association with developmental anomalies of other teeth. Panoramic radiographs of 40 healthy children showing delayed development and eruption of first permanent molars were analyzed. The clinical features of affected first molars and developmental anomalies of other teeth (except third molars) were evaluated. Delayed first molars were more frequent in the maxilla. The incidence of bilateral delayed development of first molars was greater than that of unilateral cases in female patients. In contrast, male patients showed unilateral delayed development of the first molar more frequently. A higher incidence of congenitally missing teeth was observed in patients with delayed first molar. In each case, delayed development or congenital absence was observed in the second molar adjacent to the delayed first molar. Overall, delayed first molar seems to be associated with congenital absence of additional teeth. Understanding the developmental mechanisms of this phenomenon requires further studies.
Files in This Item:
T201706168.pdf Download
DOI
10.5933/JKAPD.2017.44.1.56
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Pediatric Dentistry (소아치과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seong Oh(김성오) ORCID logo https://orcid.org/0000-0002-8620-1377
Kim, Seung Hye(김승혜)
Song, Je Seon(송제선) ORCID logo https://orcid.org/0000-0001-8620-5629
Lee, Jae Ho(이제호) ORCID logo https://orcid.org/0000-0002-1556-3485
Choi, Byung Jai(최병재)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178379
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