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June 13, 2026Frontiers in Dental MedicineOpen Access

Physico-chemical analysis of eight pre-mixed hydraulic silicate sealers

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Authors

VKVasileios KapralosMZMatthias Zehnder

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Overview

Randomized trial examines properties of hydraulic silicate sealers, indicating variability in composition and performance.

Key Points

  • This research aims to evaluate the physico-chemical properties of eight pre-mixed hydraulic silicate sealers for root canal treatments.
  • Analyzed safety data sheets for composition disclosure.
  • Conducted elemental analysis using energy-dispersive x-ray spectroscopy (EDS).
  • Tested flowability, radiopacity, and setting time according to ISO norm 6876; assessed pH induction and calcium release over 28 days.
  • All sealers met ISO standards for flowability and radiopacity, with radiopacity ranging from 3.4 to 7.4 mm Al.
  • Setting times varied significantly, from 122 minutes to over 4,258 minutes; sealers with aluminum set faster and showed higher hardness.
  • Calcium release differed among sealers, and aluminum leaching was noted in 2 out of 4 Portland cement-related sealers.

Cite This Study

Kapralos et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf2a9faef96ed7f055699https://doi.org/10.3389/fdmed.2026.1851537
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