Abstract
AbstractAn iodine‐containing mono‐methacrylate 1‐(methacryloxy‐2‐ethoxyamino‐ carbonyl)methyl‐2‐iodine‐benzene (MEMIB) was synthesized as a radiopacified agent and incorporated into Bis‐GMA/TEGDMA resin system with the aim of preparing a radio‐opaque dental resin system. Double bond conversion (DC) was determined by FT‐IR analysis. Volumetric shrinkage (VS) was measured through a variation in density before and after irradiation. Water sorption (WS) and solubility (SL) were obtained until the mass variation of polymer in distilled water was kept stable. Flexural strength (FS) and modulus (FM) were measured using a three‐point bending set up. Bis‐GMA/TEGDMA without MEMIB was used as control. ANOVA analysis revealed that MEMIB could endow dental resin with radiopacity, and radiopacity increased with the increasing of MEMIB concentration. Compared with the control resin, resin with MEMIB also had advantages like higher DC, lower VS, lower WS, and higher FS and FM. All of these implied that MEMIB had the potential to be used as a radiopacified agent and to be applied in dentistry.
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