Survival of Root-filled Teeth in the Swedish Adult Population

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Survival of Root-filled Teeth in the Swedish Adult Population

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Publication Article, peer reviewed scientific
Title Survival of Root-filled Teeth in the Swedish Adult Population
Author(s) Fransson, Helena ; Dawson, Victoria ; Frisk, Fredrik ; Bjørndal, Lars ; EndoReCo ; Kvist, Thomas
Date 2016
English abstract
INTRODUCTION: The aim was to assess survival in the Swedish population of teeth treated by nonsurgical root canal treatment during 2009. METHODS: Data from the Swedish Social Insurance Agency were analyzed by Kaplan-Meier analysis to assess cumulative tooth survival during a period of 5-6 years of all teeth that were root-filled during 2009. RESULTS: In 2009, 248,299 teeth were reported as root-filled. The average age of the patients at the time of the root filling was 55 years (range, 20-102 years). The teeth most frequently root-filled were the maxillary and mandibular first molars. During the 5- to 6-year period 25,228 of the root-filled teeth (10.2%) were reported to have been extracted; thus 223,071 teeth (89.8%) survived. Tooth survival was highest in the youngest age group (93.2%). The highest survival (93.0%) was for the mandibular premolars, and the lowest (87.5%) was for the mandibular molars. Teeth restored with indirect restorations within 6 months of the root filling had higher survival rates (93.1%) than those restored with a direct filling (89.6%). CONCLUSIONS: In the adult population of Sweden, teeth that are root-filled by general practitioners under the tax-funded Swedish Social Insurance Agency have a 5- to 6-year survival rate of approximately 90%.
DOI http://dx.doi.org/10.1016/j.joen.2015.11.008 (link to publisher's fulltext.)
Publisher Elsevier
Host/Issue Journal of Endodontics;2
Volume 42
ISSN 0099-2399
Pages 216-220
Language eng (iso)
Subject(s) Endodontics
Kaplan-Meier estimate
epidemiology
public health
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/21079 (link to this page)

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