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. 2023 Sep;27(9):5413-5425.
doi: 10.1007/s00784-023-05160-6. Epub 2023 Jul 24.

The solubility, pH value, chemical structure, radiopacity, and cytotoxicity of four different root canal sealers: an in vitro study

Gözde Kandemir Demirci  1 , Furkan Ozan Çöven  2 , Pelin Güneri  3 , Sinem Yaprak Karavana  4 , Ayşe Nalbantsoy  2 , Timur Köse  5 , Mehmet Emin Kaval  6
Affiliations

The solubility, pH value, chemical structure, radiopacity, and cytotoxicity of four different root canal sealers: an in vitro study

Gözde Kandemir Demirci et al. Clin Oral Investig. 2023 Sep.

Abstract

Objective: The aim of this study was to investigate solubility, pH value, chemical structure, radiopacity, and cytotoxicity of AH Plus BC, TotalFill BC, AH Plus, and AH Plus Jet sealers.

Materials and methods: Cytotoxicity analysis with direct and extraction tests at 3 different concentrations (1:1, 1:2, 1:4 v/v%) and time (24 h, 48 h, and 72 h) on Saos-2, PdLF, and THP-1 cell lines, chemical structure with scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) analysis, solubility, pH, and radiopacity values of AH Plus BC, TotalFill BC, AH Plus, and AH Plus Jet were evaluated. For statistical analyses of the groups, repeated measures, factorial, and one-way ANOVA tests were used. The statistical significance level was set at p < .05.

Results: Resin-based sealers showed higher cytotoxicity values than the bioceramic-based sealers (p < 0.05). Time and concentrations were effective on the cell viabilities for cell lines. Higher peaks of calcium were detected bioceramic-based sealers and higher amount of zirconium was detected in AH Plus BC (p < 0.05). AH Plus BC showed similar radiopacity value with AH Plus, AH Plus Jet, whereas TotalFill BC showed the lowest radiopacity (p < 0.05). Bioceramic-based sealers had higher pH values in all experiment periods, and the difference between resin- and bioceramic-based sealer groups was significant (p < 0.05). However, the solubility values of the tested root canal sealers revealed no differences (p > 0.05).

Conclusions: The newly produced AH Plus BC Sealer showed similar properties with TotalFill BC, and their biological properties were better than AH Plus and AH Plus Jet.

Clinical relevance: AH Plus BC could be a possible alternative to other bioceramic- or resin-based sealers.

Keywords: Bioceramic-based sealer; Cytotoxicity; Radiopacity; Resin-based sealer; Solubility; pH value.

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