IADR Abstract Archives
Physical-mechanical Properties of Tertiary Monobloc Endodontic Filling: Systematic Review and a Meta-analysis
Objectives: A systematic review and meta-analysis were conducted to report the physical-mechanical properties of tertiary monoblock obturation performed with different obturation techniques.
Methods: The following electronic databases were searched: PubMed (MEDLINE), Web of Science, Scopus, the Cochrane Library, LILACS, IBECS, and BBO. Two reviewers independently screened studies and extracted data. The following properties were analyzed in the included studies: bond strength, quality and adaptation of the filling material, sealing ability, percentage volume of filling materials, and presence of voids. Statistical analyses for push-out bond strength were performed with Review Manager software by comparing the mean differences of each study, with a 95% confidence interval.
Results: Of 1770 studies retrieved, 30 were included in this review for descriptive analysis. Ten studies were included in the meta-analysis. Global analysis demonstrated that conventional obturation had significantly higher push-out bond strength than tertiary monoblock obturation (p<.01). Subgroups using single-cone and cold lateral condensation techniques showed significantly lower push-out bond strength for tertiary monoblock obturation (p<.01). The subgroup using warm vertical compaction showed no statistically significant differences between tertiary monoblock and conventional systems (p=.13).
Conclusions: Current evidence shows that tertiary monoblock systems only have a push-out bond strength similar to that of conventional systems when used with warm vertical compaction techniques. Further clinical trials are needed to confirm the efficacy of using tertiary monoblock systems.
Methods: The following electronic databases were searched: PubMed (MEDLINE), Web of Science, Scopus, the Cochrane Library, LILACS, IBECS, and BBO. Two reviewers independently screened studies and extracted data. The following properties were analyzed in the included studies: bond strength, quality and adaptation of the filling material, sealing ability, percentage volume of filling materials, and presence of voids. Statistical analyses for push-out bond strength were performed with Review Manager software by comparing the mean differences of each study, with a 95% confidence interval.
Results: Of 1770 studies retrieved, 30 were included in this review for descriptive analysis. Ten studies were included in the meta-analysis. Global analysis demonstrated that conventional obturation had significantly higher push-out bond strength than tertiary monoblock obturation (p<.01). Subgroups using single-cone and cold lateral condensation techniques showed significantly lower push-out bond strength for tertiary monoblock obturation (p<.01). The subgroup using warm vertical compaction showed no statistically significant differences between tertiary monoblock and conventional systems (p=.13).
Conclusions: Current evidence shows that tertiary monoblock systems only have a push-out bond strength similar to that of conventional systems when used with warm vertical compaction techniques. Further clinical trials are needed to confirm the efficacy of using tertiary monoblock systems.