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Trends in the incidence of tooth extraction due to periodontal disease: results of a 12-year longitudinal cohort study in South Korea

Authors
 Jae-Hong Lee  ;  Jin-Young Oh  ;  Jung-Kyu Choi  ;  Yeon-Tae Kim  ;  Ye-Sol Park  ;  Seong-Nyum Jeong  ;  Seong-Ho Choi 
Citation
 Journal of Periodontal & Implant Science, Vol.47(5) : 264-272, 2017 
Journal Title
 Journal of Periodontal & Implant Science 
ISSN
 2093-2278 
Issue Date
2017
Keywords
Cohort studies ; Periodontal diseases ; Retrospective studies ; Tooth extraction ; Tooth loss
Abstract
Purpose: This study evaluated trends in tooth extraction due to acute and chronic periodontal disease (PD) using data from the National Health Insurance Service-National Sample Cohort for 2002-2013. Methods: A random sample of 1,025,340 individuals was selected as a representative sample of the population, and a database (DB) of diagnostic and prescription codes was followed up for 12 years. We used multivariate logistic regression analysis to assess the incidence of total extraction (TE), extraction due to periodontal disease (EPD), and immediate extraction due to periodontal disease (IEPD) according to sociodemographic factors (sex, age, household income, health status, and area of residence). Results: The incidence of tooth extraction was found to be increasing, and at a higher rate for TE in PD patients. In 2002, 50.6% of cases of TE were caused by PD, and this increased to 70.8% in 2013, while the number of cases of IEPD increased from 42.8% to 54.9% over the same period. The incidence rates of extraction due to acute and chronic PD increased monotonically. We found that the incidence rates of TE, EPD, and IEPD were all 2-fold higher among patients with high income levels and those who were not beneficiaries of health insurance. Conclusions: The rates of TE, EPD, and IEPD have been steadily increasing despite dental healthcare policies to expand public health insurance coverage, increasing the accessibility of dental clinics. Moreover, the effects of these policies were found to vary with both income and education levels. Consistent patient follow-up is required to observe changes in trends regarding tooth extraction according to changes in dental healthcare policies, and meticulous studies of such changes will ensure optimal policy reviews and revisions.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/161261
DOI
10.5051/jpis.2017.47.5.264
Appears in Collections:
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실)
Yonsei Authors
최성호(Choi, Seong Ho)
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