Influence of the root canal filling technique on the success rate of primary endodontic treatments: a systematic review

Daniel Feijolo Marconi; Giovana Siocheta da Silva; Theodoro Weissheimer; Isadora Ames Silva; Gabriel Barcelos Só; Leonardo Thomasi Jahnke; Jovito Adiel Skupien; Marcus Vinicius Reis Só; Ricardo Abreu da Rosa

doi:10.5395/rde.2022.47.e40

Influence of the root canal filling technique on the success rate of primary endodontic treatments: a systematic review

Restor Dent Endod. 2022 Oct 11;47(4):e40. doi: 10.5395/rde.2022.47.e40. eCollection 2022 Nov.

Authors

Daniel Feijolo Marconi¹, Giovana Siocheta da Silva¹, Theodoro Weissheimer¹, Isadora Ames Silva¹, Gabriel Barcelos Só¹, Leonardo Thomasi Jahnke¹, Jovito Adiel Skupien², Marcus Vinicius Reis Só¹, Ricardo Abreu da Rosa¹

Affiliations

¹ Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
² Health and Life Sciences Master's and Dental School, Franciscan University (UFN), Santa Maria, RS, Brazil.

Abstract

Objectives: This study aimed to investigate the influence of different obturation techniques compared to cold lateral compaction on the success rate of primary non-surgical endodontic treatments.

Materials and methods: Systematic searches were performed for studies published up to May 17^th, 2022 in MEDLINE/PubMed, Cochrane Library, Web of Science, Scopus, EMBASE, and Grey Literature Reports. Randomized clinical trials and nonrandomized (nonrandomized clinical trials, prospective or retrospective) studies that evaluated the success rate of primary non-surgical endodontic treatments obturated with the cold lateral compaction (control) and other obturation techniques were included. The revised Cochrane risk of bias tools for randomized trials (RoB 2) and nonrandomized studies of interventions (ROBINS-I) were used to evaluate the risk of bias. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) tool was used to evaluate the certainty of evidence.

Results: Eleven studies (4 randomized clinical trials (RCTs), 4 prospective, and 3 retrospectives) were included. Two RCTs were classified as having some concerns risk of bias and 2 as a low risk of bias. Two nonrandomized studies were classified as having a critical risk of bias and 5 as having a moderate risk of bias. The GRADE analysis demonstrated a very low to moderate certainty of evidence.

Conclusions: This systematic review generally evidenced no differences in the success rate of primary non-surgical endodontic treatments when the cold lateral compaction technique and other obturation techniques are performed. Further well-designed studies are still necessary.

Keywords: Cold lateral compaction; Endodontics; Obturation techniques; Root canal filling; Success rate; Systematic review.

Publication types

Review