Abstract
Inorganic-polymer nanocomposites are of significant interest for emerging materials due to their improved properties and unique combination of properties. Poly (methylmethacrylate) (PMMA)/montmorillonite (MMT) nanocomposites were prepared by in situ suspension polymerization with dodecylamine used as MMT-modifier. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were used to characterize the structures of the nanocomposites. Cytotoxicity test, hemolysis test, acute systemic toxicity test, oral mucous membrane irritation test, guinea-pig maximization test and mouse bone-marrow micronucleus test were used to evaluate the biocompatibility of PMMA/MMT nanocomposites. The results indicated that an exfoliated nanocomposite was achieved, and the resulting nanocomposites exhibited excellent biocompatibility as denture base material and had potential application in dental materials.
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Acknowledgments
The authors are grateful for the extensive laboratory assistance of Microbiology Laboratory of Basic Medical College and Toxicology Laboratory of Public Health College, Tianjin Medical University. This investigation was supported by Program for New Century Excellent Talents in University, People’s Republic of China.
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Zheng, J., Su, Q., Wang, C. et al. Synthesis and biological evaluation of PMMA/MMT nanocomposite as denture base material. J Mater Sci: Mater Med 22, 1063–1071 (2011). https://doi.org/10.1007/s10856-011-4269-8
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DOI: https://doi.org/10.1007/s10856-011-4269-8