ArticleClinical oral investigations2025
Recent innovations in endodontic irrigation and effects on smear layer removal: an ex-vivo study.
Article in Clinical oral investigations, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The effect of photodynamic therapy on post-endodontic pain in treatments performed by undergraduate students.BMC oral health · 2026Observational
- Article
- Laser-activated irrigation versus ultrasonic or syringe irrigation for smear layer and debris removal: AnBioinformation · 2026Article
- Effect of Retreatment Protocols on the Push-Out Bond Strength of Hydraulic Calcium Silicate Cement in Open-Apex Teeth.TheScientificWorldJournal · 2026Article
- Effect of ultrasonic versus laser-activated irrigation on smear layer removal - AnBioinformation · 2026Article
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9 authors.
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Abstract
objectivesTo evaluate the cleaning efficacy of different irrigation activation techniques in removing smear layers from root canals. MATERIALS AND
methodsNinety lower premolars with straight root canals were assigned to six experimental groups (n = 15 each): control group, conventional irrigation, passive ultrasonic activation (PUI), distilled water laser-activated irrigation (LAI), PulpSucker irrigation, and iVac irrigation. Each canal was shaped to size 30/04 and irrigated with 5% NaOCl. The final rinse was performed according to the experimental group. After chemo-mechanical procedures, the teeth were split longitudinally and subjected to scanning electron microscopic (SEM) analysis for each root canal third (coronal, middle, and apical). The presence of smear layer was evaluated using a 5-grade scoring system at 500× and 1000× magnification. Following the Shapiro-Wilk test, data were statistically analyzed using the nonparametric Kruskal-Wallis test, followed by the post-hoc Dunn test with Bonferroni correction (α = 5%), to compare the effectiveness of smear layer removal. The Friedman test and post-hoc Wilcoxon signed-rank test with Bonferroni correction (α = 5%) were performed to assess significant differences in smear layer removal among the different tooth thirds.
resultsActivated irrigation techniques significantly outperformed conventional irrigation (p <.05), with the iVac technique demonstrating the best results in smear layer removal in the apical third. LAI and PUI showed comparable results across all tooth thirds. Significant differences in cleaning efficacy were observed among the different tooth thirds within each experimental group, with the apical third exhibiting the highest presence of smear layer.
conclusionWithin the limitations of the study, irrigant activation demonstrated higher efficiency in smear layer removal from root canal systems compared to conventional irrigation techniques. iVac showed the best cleaning performance in each third, particularly in the apical third. CLINICAL RELEVANCE: iVac technology offers significant potential for improving clinical outcomes.
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