Studies of normal human osteoblasts and fibroblasts growth on composite functionalized β-type Ti23Zr25Nb (at%) dental implant materials containing 45S5 bioglass and silver
Bulletin of Materials Science(2023)
摘要
This study aims to present biological studies of ultrafine-grained Ti-based materials with niobium and zirconium content, and additionally modified with 45S5 bioglass and silver—Ti23Zr25Nb-9BG-Ag. Alloy and composites with 45S5 bioglass and silver were produced with the mechanical alloying approach. The in vitro cytocompatibility of these biomaterials was evaluated and compared with conventional microcrystalline titanium. During the studies, established cell lines of normal human periodontal ligament fibroblasts (HPdLF, CC-7049) and normal human osteoblasts (NHost, CC-2538) were cultured in the presence of tested materials, and their survival rate and proliferation activity were examined. Ti23Zr25Nb (at%) alloy and the composite with the addition of 9 wt% of 45S5 bioglass and doped with silver has been proven to be highly biocompatible based on the number of immunopositive NHost cells. Respectively, the composite non-doped with silver has been proven to be highly biocompatible based on the number of immunopositive HPdLF cells. Biocompatibility tests carried out indicate that the ultrafine-grained Ti23Zr25Nb-BG-Ag biomaterial can be a possible candidate for dental implant applications.
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关键词
Ti–Zr–Nb alloy,45S5 bioglass,silver,in vitro studies,cell proliferation,dental implant
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