Polymerization Kinetics of Experimental Resin Composites Functionalized with Conventional (45S5) and a Customized Low-sodium Fluoride-containing Bioactive Glass

Overview

Journal Sci Rep

Specialty Science

Date 2021 Oct 28

PMID 34707213

Citations 9

Authors

Matej Par

Katica Prskalo

Tobias T Taubock

Hrvoje Skenderovic

Thomas Attin

Zrinka Tarle

Affiliations

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Abstract

This study aimed to investigate polymerization kinetics and curing light transmittance of two series of experimental dental resin composites filled with 0-40 wt% of either 45S5 bioactive glass (BG) or a customized low-Na F-containing BG. Polymerization kinetics in 0.1-mm and 2-mm thick layers were investigated through real-time degree of conversion measurements using a Fourier transform infrared (FTIR) spectrometer. FTIR spectra were continuously collected at a rate of 2 s during light-curing (1340 mW/cm). Light transmittance through 2-mm thick composite specimens was measured using a UV-Vis spectrometer at a rate of 20 s. Unlike BG 45S5, which led to a dose-dependent reduction in the rate and extent of polymerization, the customized low-Na F-containing BG showed a negligible influence on polymerization. The reduction in light transmittance of experimental composites due to the addition of the low-Na F-containing BG did not translate into impaired polymerization kinetics. Additionally, the comparison of polymerization kinetics between 0.1-mm and 2-mm thick layers revealed that polymerization inhibition identified for BG 45S5 was not mediated by an impaired light transmittance, indicating a direct effect of BG 45S5 on polymerization reaction. A customized low-Na F-containing BG showed favourable behaviour for being used as a functional filler in light-curing dental resin composites.

Citing Articles

Comparing ISO 4049 and Fourier-transform infrared spectroscopy for assessing ambient light sensitivity in dental resin composites.

Par M, Gotovac L, Horvat S, Marovic D, Tarle Z, Taubock T Sci Rep. 2025; 15(1):8455.

PMID: 40069310 PMC: 11897394. DOI: 10.1038/s41598-025-93088-0.

Effect of customized bioactive glass in experimental composites on dentin bond strength after 12 months of aging.

Par M, Dukaric K, Marovic D, Taubock T, Attin T, Tarle Z Clin Oral Investig. 2024; 29(1):19.

PMID: 39690350 DOI: 10.1007/s00784-024-06108-0.

Water-Induced Changes in Experimental Resin Composites Functionalized with Conventional (45S5) and Customized Bioactive Glass.

Muradbegovic A, Par M, Panduric V, Zugec P, Taubock T, Attin T J Funct Biomater. 2023; 14(6).

PMID: 37367262 PMC: 10298865. DOI: 10.3390/jfb14060298.

A Narrative Review of Bioactive Glass-Loaded Dental Resin Composites.

Yun J, Burrow M, Matinlinna J, Wang Y, Tsoi J J Funct Biomater. 2022; 13(4).

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Current Strategies to Control Recurrent and Residual Caries with Resin Composite Restorations: Operator- and Material-Related Factors.

Elgezawi M, Haridy R, Abdalla M, Heck K, Draenert M, Kaisarly D J Clin Med. 2022; 11(21).

PMID: 36362817 PMC: 9657252. DOI: 10.3390/jcm11216591.

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