Long-term Survival of Root-canal–treated Teeth: A Retrospective Study Over 10 Years

In this retrospective study the survival rate of 190 root-canal–treated teeth of 144 patients after 10-yr minimum was evaluated. Students during their training in 1987 and 1988 had performed the treatments. Age, gender, jaw, or quantity of root canals had no influence to the success of a root-canal...

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Bibliographic Details
Published inJournal of endodontics Vol. 29; no. 10; pp. 638 - 643
Main Authors Dammaschke, Till, Steven, Doris, Kaup, Markus, Ott, Klaus Heinrich Reiner
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.10.2003
Subjects
Adolescent
Adult
Aged
Dental Restoration Failure
Dentistry
Female
Humans
Male
Middle Aged
Periapical Diseases
Post and Core Technique
Retrospective Studies
Root Canal Therapy - statistics & numerical data
Survival Analysis
Treatment Outcome
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Summary:In this retrospective study the survival rate of 190 root-canal–treated teeth of 144 patients after 10-yr minimum was evaluated. Students during their training in 1987 and 1988 had performed the treatments. Age, gender, jaw, or quantity of root canals had no influence to the success of a root-canal treatment. Teeth with an apical lesion before the endodontic treatment showed a significantly shorter likelihood of survival. The best results could be found in root-canal fillings ending 0 to 1 mm and 1 to 2 mm before the apex. Comparing types of restoration, prosthetic-treated teeth with retention post and crown seem to be favorable. The study showed that root-canal treatment even conducted by students has a survival rate of 85.1% (Kaplan-Meier) after 10 yr and is a long-lasting, conservative therapy.
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ISSN:0099-2399
1878-3554
DOI:10.1097/00004770-200310000-00006