Incorporation of an antibacterial and radiopaque monomer in to dental resin system

Dental Materials : Official Publication of the Academy of Dental Materials
Jingwei HePekka K Vallittu

Abstract

The purpose of this study was to prepare antibacterial and radiopaque dental resin through adding one polymerizable quaternary ammonium compound with iodine as counter anion into Bis-GMA/TEGDMA (50/50, wt/wt) dental resin system, and evaluate the degree of monomer conversion, mechanical properties, radiopacity, and antibacterial effectiveness of the polymer. 2-Dimethyl-2-dodecyl-1-methacryloxyethyl ammonium iodine (DDMAI) (3 wt.% and 5 wt.%) was added into a Bis-GMA/TEGDMA (50/50, wt/wt) resin system with CQ (0.7 wt.%) and DMAEMA (0.7 wt.%) as photoinitiation system. Degree of monomer conversion (DC) was determined by FT-IR analysis. The flexural strength (FS) and flexural modulus (FM) of the polymer were measured using a three-point bending set up. Radiographs were taken to determine the radiopacity of the polymer, and aluminum step-wedge (0.5-4mm) was used as calibration standard. A single-species biofilm model with Streptococcus mutans as the tests organism was used to evaluate the antibacterial property of the polymer. Bis-GMA/TEGDMA without DDMAI was used as control material in all of the tests. ANOVA analysis revealed that there was no significant difference in DC between polymer with and without DDMAI (p>0.05). Polymer w...Continue Reading

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Citations

Aug 1, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Satoshi ImazatoHockin H K Xu
Sep 2, 2014·Materials Science & Engineering. C, Materials for Biological Applications·Yuchen ZhaoXiaoping Yang
Jun 19, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Chenchen ZhouHockin H K Xu
Apr 9, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Sara Tavassoli HojatiMohammad Atai
Dec 22, 2015·Journal of the Mechanical Behavior of Biomedical Materials·Qi-Ting HuangPekka K Vallittu
Sep 9, 2015·Dental Materials : Official Publication of the Academy of Dental Materials·Alexandra Rubin CoccoEvandro Piva
Aug 19, 2015·Journal of the Mechanical Behavior of Biomedical Materials·Mei YinJingwei He
May 20, 2015·Journal of the Mechanical Behavior of Biomedical Materials·Weixun LuoJingwei He
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Mar 9, 2013·International Journal of Molecular Sciences·Jingwei HeLippo V J Lassila
Dec 12, 2017·Dental Materials Journal·Yu ZhangYuhong Xiao
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Oct 21, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jing XueMing Wang
Nov 30, 2018·Dental Materials : Official Publication of the Academy of Dental Materials·Hongyan ChenMeifang Zhu
Jun 6, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Chuanyue SunMeifang Zhu
Jan 20, 2021·ACS Biomaterials Science & Engineering·Alireza AminoroayaSeeram Ramakrishna

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