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Related Experiment Video

Updated: Mar 16, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Calcium release from experimental dental materials.

Zuzanna Okulus¹, Tomasz Buchwald², Adam Voelkel¹

¹Poznań University of Technology, Institute of Chemical Technology and Engineering, ul. Berdychowo 4, 60-965 Poznań, Poland.

Materials Science & Engineering. C, Materials for Biological Applications

|August 16, 2016

Summary

Calcium release from dental materials is linked to solubility and initial calcium content. The degree of conversion did not influence calcium ion release in these experimental composites.

Keywords:

Calcium phosphates Calcium release Degree of conversion Experimental restorative dental materials Solubility

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Area of Science:

Dental Materials Science
Biomaterials Engineering
Calcium Phosphate Chemistry

Background:

Dental restorative materials often incorporate calcium compounds to enhance properties.
Understanding ion release is crucial for material longevity and biocompatibility.
Calcium phosphate-based materials are investigated for their potential in dental applications.

Purpose of the Study:

To investigate calcium ion release from experimental dental restorative materials.
To correlate calcium release with material properties like initial calcium content, solubility, and degree of conversion.
To assess the influence of curing on ion release.

Main Methods:

Calcium release quantified using ion-selective electrode in aqueous solution.
Solubility determined by the gravimetric (weighing) method.
Degree of conversion measured via Raman spectroscopy; initial calcium content analyzed by energy-dispersive spectroscopy.

Main Results:

A positive correlation was observed between calcium released and both initial calcium content and material solubility.
The degree of conversion of the experimental materials did not significantly impact calcium ion release.
These findings highlight the importance of material composition and dissolution characteristics.

Conclusions:

Calcium release from these experimental dental materials is primarily governed by their initial calcium load and solubility.
The degree of conversion is not a determining factor for calcium ion release in these specific composites.
Further research should focus on optimizing material formulation to control ion release for improved dental restorations.