European Endodontic Journal · Published 2025-11-19 · DOI 10.14744/eej.2025.58671
Objective: This study aimed to investigate the effectiveness of various commercial temporary restorative materials in preventing microleakage with a pre-endodontic sealing technique (PES). Methods: Ninety-six human single-rooted premolars were prepared for endodontic access and randomly allocated to five groups according to the material to restore the cavity (n=16): CON: Control group, Tetric N-bulk, Ivoclar; COL: Coltosol, Coltene; KET: Ketac Molar, 3M; FUJ: Gold Label Fuji II, GC; CLI: Clip F; and two experimental conditions (n=8): COT: conventional technique and, PES technique. Methylene blue dye penetration was measured in mm. Two-way ANOVA and Bonferroni post-hoc were used (p<0.05) Results: For most materials, PES exhibited statistically significantly lower values of dye penetration (p < 0.001), except for KET and COL. The highest dye penetration was found in FUJ using the COT technique. Conclusion: The PES technique was more effective in preventing microleakage when polymer-based materials were used. (EEJ-2025-02-027)
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