Fabrication and characterization of remineralizing dental composites containing calcium type pre-reacted glass-ionomer (PRG-Ca) fillers was written by da Silva Meirelles Doria Maia, Juliana Nunes;Portela, Maristela Barbosa;Sanchez Candela, Dalber Ruben;Neves, Aline de Almeida;Noronha-Filho, Jaime Dutra;Mendes, Amanda de Oliveira;Barros, Mariana Araujo;Moreira da Silva, Eduardo. And the article was included in Dental Materials in 2021.Electric Literature of C16H26O7 This article mentions the following:
To fabricate and characterize dental composites with calcium type pre-reacted glass-ionomer (PRG-Ca) fillers.PRG-Ca fillers were prepared by the reaction of calcium fluoroaluminosilicate glass with polyacrylic acid. Seven dental composites were produced from the same organic matrix (70/30 wt% Bis-GMA/TEGDMA), with partial replacement of barium borosilicate (BaBSi) fillers (60 wt%) by PRG-Ca fillers (wt%): E0 (0) – control, E1 (10), E2 (20), E3 (30), E4 (40), E5 (50) and E6 (60). Enamel remineralization was evaluated in caries-like enamel lesions induced by S. mutans biofilm using micro-CT. The following properties were characterized: degree of conversion (DC%), roughness (Ra), Knoop hardness (KHN), flexural strength (FS), flexural modulus (FM), water sorption (Wsp), water solubility (Wsl), and translucency (TP). Data were analyzed to one-way ANOVA and Tukey′s HSD test (α = 0.05).All composites with PRG-Ca induced enamel remineralization. E0 and E1 presented similar and highest DC% than E2 = E3 = E4 = E5 = E6. Ra and KHN were not influenced by PRG-Ca fillers (p < 0.05). The higher the content of PRG-Ca, the lower FS, FM and TP (p < 0.05). Wsp increased linearly with the content of PRG-Ca fillers (p < 0.05). E6 presented the highest Wsl (p < 0.05), while the Wsl of the other composites were not different from each other (p > 0.05).Incorporation of 10-40 weight% of PRG-Ca fillers endowed remineralizing potential to dental composites without jeopardizing the overall behavior of their physicochem. properties. Dental composites with PRG-Ca fillers seems to be a good alternative for reinforcing the enamel against caries development. In the experiment, the researchers used many compounds, for example, ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1Electric Literature of C16H26O7).
((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (cas: 109-17-1) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Electric Literature of C16H26O7
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts