Abstract
Aim To determine the prevalence of persistent pain in endodontic patients.
Methods Six electronic databases (EMBASE, LILACS, LIVIVO, PubMed/MEDLINE, Scopus, and Web of Science) were searched, along with the gray literature (Google Scholar, ProQuest Dissertations and Theses). The review used a random-effects model for meta-analysis of proportions and assessed the risk of bias based on the Joanna Briggs Institute Critical Appraisal tool.
Results The review included 16 articles (seven cohort studies and nine cross-sectional studies) published in English from 1994 to 2022. Fifteen of them were selected for meta-analysis. The combined prevalence estimate was 5% (95% CI = 0.01 – 0.10). The risk of bias was moderate in four studies and low in the others.
Conclusion The estimated prevalence of persistent pain after endodontic treatment was approximately one in every 25 patients.
Keywords
Root canal therapy; Pain; Tooth; Systematic reviews as topic
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