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The study aims to evaluate the physicochemical properties of a new strontium silicate-based root canal sealer against conventional sealers.

Physicochemical Characterization of a Strontium Silicate-Based Root Canal Sealer Compared with Two Conventional Sealers

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Evaluation of a novel sealer's properties in comparison with conventional options, indicating unique behavior.

The study aims to evaluate the physicochemical properties of a new strontium silicate-based root canal sealer against conventional sealers.
Assessment of setting time, mass change, pH changes, and surface characteristics.
Evaluated based on ISO 6876 and ANSI/ADA Specification No. 57 with modifications.
Conducted analyses using scanning electron microscopy and energy-dispersive X-ray spectroscopy.
Statistical analysis performed using one-way and repeated-measures ANOVA.
AH Plus had the longest setting times, while TotalFill BC had the shortest, with C-Root SP in between (p < 0.001).
C-Root SP showed a positive mass change, indicating net mass loss, significantly greater than the other two sealers (p < 0.001).
All sealers maintained alkaline conditions, with C-Root SP having the highest pH values during the evaluation (p < 0.001).
Aqueous aging revealed surface and compositional changes in the bioceramic sealers, including increased strontium content in C-Root SP.

Loai Alsofi (2026) studied this question.

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