Abstract
To address the clinical challenges of modulus mismatch, lack of initial osteointegration and contain toxic elements towards traditional titanium and its alloys with surrounding bone tissue, a new β-type titanium alloy (Ti–12Mo–10Zr) designed by our group will be chosen as dental implant in this proposal due to its excellent properties, e.g. low young’s modulus (~ 50.8 GPa) and excellent compressive yield strength (~ 430.89 MPa). A modified hydrothermal and pressure method will be deployed to create tailored micro/nano topography and chemistry (phosphorus) on implant surface with the aim of promoting osteointegration. The formation process and mechanism of micro/nano-scaled hierarchical hybrid coating containing phosphorous will be revealed from the perspective of energetics and crystallography to realize co-design of multiple structure and chemical on Ti–12Mo–10Zr surface. The in vitro cytological performance of this hierarchical hybrid coating containing phosphorous will also be evaluated by co-culturing with rat bone marrow stromal cells This proposal will not only provide guidance and experimental database for next generation potential implant named Ti–12Mo–10Zr, but also display new insights to improve long-lasting stability for dental implant which demonstrate tremendous scientific significance.
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Acknowledgements
This work was supported by the Key Research and Development Program of Henan Province (222102310441), National Natural Science Foundation of China (52001324), National Science Foundation of Jiangsu Province (BK20200643) and Henan Excellent Youth Science Foundation project (212300410039).
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Cai, B., Lei, K., Sun, C. et al. Surface modification of new innocuous Ti–Mo–Zr based alloys for biomedical applications. Biometals 35, 1271–1280 (2022). https://doi.org/10.1007/s10534-022-00442-0
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DOI: https://doi.org/10.1007/s10534-022-00442-0