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. 2025 Jul;28(7):642-646.
doi: 10.4103/JCDE.JCDE_211_25. Epub 2025 Jul 2.

Effect of different root canal drying techniques on the push-out bond strength of ceraseal sealer - An in vitro study

R Patil Pooja  1 , D N Nirupama  1 , Nainan Thomas Mohan  1 , R Vijay  1 , Helen Thomas  1 , P K Sneha  1
Affiliations

Effect of different root canal drying techniques on the push-out bond strength of ceraseal sealer - An in vitro study

R Patil Pooja et al. J Conserv Dent Endod. 2025 Jul.

Abstract

Context: Different levels of residual moisture in the root canal have shown to affect the sealing properties of resin-based and calcium silicate based sealers.

Aim: This study was aimed to compare the effect of different root canal drying techniques on the push-out bond strength (PBS) of AH Plus and Ceraseal sealer.

Methodology: Sixty-four single rooted premolars were decoronated and subjected to biomechanical preparation with a ProTaper Gold rotary file up to size F2 and were divided into two groups based on the type of sealer used: Group A: AH Plus, and Group B: Ceraseal. Each group was further subdivided into four subgroups based on the different drying techniques using paper point, ethanol, air vacuum, and control. Samples were obturated and were tested for PBS using the universal testing machine.

Statistical analysis: The data were statistically evaluated using the one-way ANOVA test and Tukey's post hoc test.

Results: The ceraseal sealer group with drying technique using paper point was found to have the highest push-out strength, and the AH Plus sealer group (control) was found to have the lowest PBS.

Conclusion: Canal drying technique using paper point for the ceraseal sealer group and 95% ethanol for the AH Plus sealer group were found to have improved adhesion to the root dentin.

Keywords: AH plus sealer; ceraseal sealer; ethanol; luer vacuum; paper point; push-out bond strength.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Representative failure mode images under a stereomicroscope. (a) Adhesive failure: Failure occurred between the sealer and the inner wall of the root canal. (b) Cohesive failure: Failure occurred inside the sealer. (c) Mixed failure: Both adhesive and cohesive failures occurred
See this image and copyright information in PMC

References

    1. Wang JS, Bai W, Wang Y, Liang YH. Effect of different dentin moisture on the push-out strength of bioceramic root canal sealer. J Dent Sci. 2023;18:129–34. - PMC - PubMed
    1. Jang JA, Kim HL, Her MJ, Lee KW, Yu MK. Effect of moisture on sealing ability of root canal filling with different types of sealer through the glucose penetration model. J Kor Acad Cons Dent. 2010;35:335–43.
    1. De Moor RJ, De Bruyne MA. The long-term sealing ability of AH 26 and AH plus used with three gutta-percha obturation techniques. Quintessence Int. 2004;35:326–31. - PubMed
    1. Zordan-Bronzel CL, Esteves Torres FF, Tanomaru-Filho M, Chávez-Andrade GM, Bosso-Martelo R, Guerreiro-Tanomaru JM. Evaluation of physicochemical properties of a new calcium silicate-based sealer, bio-C sealer. J Endod. 2019;45:1248–52. - PubMed
    1. Gupta PR, Aggarwal SD, Kshirsagar SP, Bhargava K, Rai V, Chawla M. Comparative evaluation of push-out bond strength of resin-based sealer and mineral trioxide aggregate-based sealer after using normal saline and 2% chlorhexidine as a final irrigant: In vitro study. Endodontology. 2016;28:32–7.

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