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Effects of Resin Composition on the Remineralizing Ability of Amorphous Calcium Phosphate-Based Polymeric Composites

Published

Author(s)

Joseph M. Antonucci, Drago Skrtic, E D. Eanes

Abstract

Amorphous calcium phosphate (ACP)/acrylic matrix composites have the potential to promote remineralization and/or prevent demineralization of tooth structures by hydroxyapatite (HAP) formation. The goal of this study was to evaluate the effects of compositional and structural variations of photopolymerizable monomer systems on the long-term release of calcium and phosphate ions from ACP composites. The monomer systems evaluated were: (1) Bis-GMA/TEGDMA, (2) Bis-GMA/TEGDMA/HEMA, (3) UDMA with 0 %, 6.6 % or 13.2 % HEMA, and (4) PMGDMA/ TEGDMA. Visible light polymerizable composites comprised by mass fraction of 60 % matrix and 40 % ACP. Whereas Bis-GMA/TEGDMA composites gave extremely low levels of ion release, the UDMA composites gave moderate sustainable release of ions. High, sustainable levels of ion release were obtained from the HEMA-containing composites. The carboxylic acid matrix composite based on PMGDMA initially gave high ion release, but this was not sustainable because of Ca-binding and internal ACP conversion to HAP.
Citation
Effects of Resin Composition on the Remineralizing Ability of Amorphous Calcium Phosphate-Based Polymeric Composites
Volume
41(2)

Keywords

amorphous calcium phosphate, ion release, polymer matrix, remineralization

Citation

Antonucci, J. , Skrtic, D. and Eanes, E. (2000), Effects of Resin Composition on the Remineralizing Ability of Amorphous Calcium Phosphate-Based Polymeric Composites, Effects of Resin Composition on the Remineralizing Ability of Amorphous Calcium Phosphate-Based Polymeric Composites, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851754 (Accessed April 22, 2024)
Created January 1, 2000, Updated February 19, 2017