Issue 21, 2023

Recent advances in the application and biological mechanism of silicon nitride osteogenic properties: a review

Abstract

Silicon nitride, an emerging bioceramic material, is highly sought after in the biomedical industry due to its osteogenesis-promoting properties, which are a result of its unique surface chemistry and excellent mechanical properties. Currently, it is used in clinics as an orthopedic implant material. The osteogenesis-promoting properties of silicon nitride are manifested in its contribution to the formation of a local osteogenic microenvironment, wherein silicon nitride and its hydrolysis products influence osteogenesis by modulating the biological behaviors of the constituents of the osteogenic microenvironment. In particular, silicon nitride regulates redox signaling, cellular autophagy, glycolysis, and bone mineralization in cells involved in bone formation via several mechanisms. Moreover, it may also promote osteogenesis by influencing immune regulation and angiogenesis. In addition, the wettability, surface morphology, and charge of silicon nitride play crucial roles in regulating its osteogenesis-promoting properties. However, as a bioceramic material, the molding process of silicon nitride needs to be optimized, and its osteogenic mechanism must be further investigated. Herein, we summarize the impact of the molding process of silicon nitride on its osteogenic properties and clinical applications. In addition, the mechanisms of silicon nitride in promoting osteogenesis are discussed, followed by a summary of the current gaps in silicon nitride mechanism research. This review, therefore, aims to provide novel ideas for the future development and applications of silicon nitride.

Graphical abstract: Recent advances in the application and biological mechanism of silicon nitride osteogenic properties: a review

Article information

Article type
Review Article
Submitted
20 May 2023
Accepted
05 Sep 2023
First published
11 Sep 2023

Biomater. Sci., 2023,11, 7003-7017

Recent advances in the application and biological mechanism of silicon nitride osteogenic properties: a review

Z. Liu, R. Wang, W. Liu, Y. Liu, X. Feng, F. Zhao, P. Chen, L. Shao and M. Rong, Biomater. Sci., 2023, 11, 7003 DOI: 10.1039/D3BM00877K

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