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Prognostic factors for the survival of primary molars following pulpotomy with mineral trioxide aggregate: a retrospective cohort study

Authors
 Chi Hoon Kim  ;  Jee Soo Bae  ;  Ik-Hwan Kim  ;  Je Seon Song  ;  Hyung-Jun Choi  ;  Chung-Min Kang 
Citation
 CLINICAL ORAL INVESTIGATIONS, Vol.25(4) : 1797-1804, 2021-04 
Journal Title
 CLINICAL ORAL INVESTIGATIONS 
ISSN
 1432-6981 
Issue Date
2021-04
MeSH
Aluminum Compounds* ; Calcium Compounds ; Child ; Child, Preschool ; Drug Combinations ; Humans ; Molar / surgery ; Oxides ; Prognosis ; Pulpotomy* ; Retrospective Studies ; Silicates ; Tooth, Deciduous
Keywords
Mineral trioxide aggregate ; Primary teeth ; Pulpotomy ; Risk factors ; Survival analysis
Abstract
Objectives: The aim of the present study was to evaluate potential factors influencing the success rates of mineral trioxide aggregate (MTA) pulpotomy performed in primary molars. Materials and methods: A total of 347 teeth treated between March 2012 and December 2016 in 258 patients, with a mean age of 5.3 ± 1.7 years, were included in the analysis. Kaplan-Meier analyses were used to analyze were used time to failure. Multivariate Cox regression analysis with shared frailty was used to evaluate the clinical factors associated with failures. Results: The mean (standard deviation) follow-up period was 35.8 (19.6) months. Within 84 months, the survival rate was 87.1%. In multivariate Cox regression, treatment performed in lower primary molars had a lower survival rate than upper primary molars (hazard ratio [HR] = 3.38, P = 0.012). Caries extension below the cemento-enamel junction had more risk of failure (HR = 10.9, P < 0.001). Final restoration using resin-modified glass ionomer or amalgam (direct filling) had a lower survival rate than stainless steel crown (HR = 5.62, P = 0.002). Conclusions: Clinical variables such as arch type, degree of caries extension, and type of final restoration may affect the survival of primary molars following MTA pulpotomy. Clinical relevance: The results of this study indicate that specific clinical variables can be used to predict the prognosis of MTA pulpotomy in primary teeth, and estimate the risk of treatment failure. Assessments of these variables should be performed in the context of evidence-based clinical decision making.
Full Text
https://link.springer.com/article/10.1007%2Fs00784-020-03482-3
DOI
10.1007/s00784-020-03482-3
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Pediatric Dentistry (소아치과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Chung Min(강정민) ORCID logo https://orcid.org/0000-0001-7813-3741
Kim, Ik-Hwan(김익환)
Song, Je Seon(송제선) ORCID logo https://orcid.org/0000-0001-8620-5629
Choi, Hyung Jun(최형준) ORCID logo https://orcid.org/0000-0002-3315-6912
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182251
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