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Analysis of Prevalence of Pyramidal Molars in Adolescent

Other Titles
 청소년들에서 pyramidal molar 유병률의 분석 
Authors
 Woojin Kwon  ;  Hyung-Jun Choi  ;  Jaeho Lee  ;  Je Seon Song 
Citation
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지), Vol.47(4) : 389-396, 2020-11 
Journal Title
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지) 
ISSN
 1226-8496 
Issue Date
2020-11
Keywords
Pyramidal molar ; Prevalence ; Dental anomaly
Abstract
A pyramidal molar is which has completely fused roots with a solitary enlarged canal. The purpose of this retrospective study was to assess the prevalence and characteristics of pyramidal molars among adolescent. A total of 1,612 patients’ panoramic radiographs were screened. A total of 12,896 first and second molars were evaluated. The relative incidence and the correlations regarding the location of pyramidal molar (maxillary versus mandibular) and gender were analyzed using the chi-square test. The overall incidence of patients with pyramidal molars was 1.49%. 24 patients were found to have a pyramidal molar and it was more prevalent in women (18 women and 6 men). The prevalence of pyramidal molars from all first and second molars examined was 0.31%. 88 percent of pyramidal molars occurred in maxilla. All pyramidal molars were second molar. Pyramidal molar has a relatively poor periodontal prognosis compared with common multi-rooted teeth and it is important to understand the structural characteristics of root canal during pulp treatment. Clinicians should be able to understand the anatomical properties of pyramidal molar and apply it to treatment and prognostic evaluation.
Files in This Item:
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DOI
10.5933/JKAPD.2020.47.4.389
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Pediatric Dentistry (소아치과학교실) > 1. Journal Papers
Yonsei Authors
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, Hyung Jun(최형준) ORCID logo https://orcid.org/0000-0002-3315-6912
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/181294
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