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The 5-Year Survival Rate of Nonsurgical Endodontic Treatment: A Population-based Cohort Study in Korea

Authors
 Youngjun Kwak  ;  Jungkyu Choi  ;  Kiyeol Kim  ;  Su-Jung Shin  ;  Sunil Kim  ;  Euiseong Kim 
Citation
 JOURNAL OF ENDODONTICS, Vol.45(10) : 1192-1199, 2019 
Journal Title
 JOURNAL OF ENDODONTICS 
ISSN
 0099-2399 
Issue Date
2019
Keywords
Endodontic treatment ; initial root canal treatment ; population-based study ; re-RCT ; survival rate
Abstract
INTRODUCTION: The purpose of the current population-based study was to analyze the 5-year survival rate of teeth that received nonsurgical endodontic treatment. Specifically, the variables affecting the 5-year survival rates of endodontically treated teeth were analyzed. METHODS: The present study included all endodontically treated teeth reported in 2010 in the National Health Insurance Cohort database of the Republic of Korea. By tracing the dental records of the sample to the end of 2015, the 5-year survival rates of the initial root canal treatment (RCT) and re-RCT were analyzed. Gender, age, institution type, diagnosis, arch type, tooth type, number of visits, and rubber dam usage were included in the analyses as confounding variables. RESULTS: In total, 2,866,749 teeth received initial RCT, and 173,429 teeth received re-RCT. Five-year survival rates were 90.85% and 88.42%, respectively. The survival rate of teeth that received initial RCT was significantly higher than that of those that received re-RCT. Specifically, re-RCT showed a significantly higher rate of extraction within 12 months than during other intervals. Furthermore, the following characteristics significantly positively affected the 5-year tooth survival rate: being female, <20 years of age, hospital as the institution type, mandibular teeth, anterior teeth, initial RCT, and use of rubber dam. CONCLUSIONS: Because of its high 5-year survival rate, endodontic treatment is an effective method for maintaining natural teeth.
Full Text
https://www.sciencedirect.com/science/article/pii/S0099239919305114
DOI
10.1016/j.joen.2019.07.004
Appears in Collections:
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Yeol(김기열) ORCID logo https://orcid.org/0000-0001-5357-1067
Kim, Sun Il(김선일) ORCID logo https://orcid.org/0000-0002-8889-9844
Kim, Eui Seong(김의성) ORCID logo https://orcid.org/0000-0003-2126-4761
Shin, Su Jung(신수정) ORCID logo https://orcid.org/0000-0001-5795-3919
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173040
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