Journal
BIOACTIVE MATERIALS
Volume 22, Issue -, Pages 91-111Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2022.09.008
Keywords
Nitinol; Endodontics; Nickel; Titanium; Nanostructures
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This review summarizes the unique characteristics, current use, and latest developments of thermomechanically treated NiTi endodontic files. The research has mostly focused on the design, shape, metallurgy, and mechanical properties, with limited work done on surface functionalization. Future research direction may lie in the use of nanotechnology.
Nickel-titanium (NiTi) alloy has been extensively researched in endodontics, particularly in cleaning and shaping the root canal system. Research advances have primarily focused on the design, shape, and geometry of the NiTi files as well as metallurgy and mechanical properties. So far, extensive investigations have been made sur-rounding surface and thermomechanical treatments, however, limited work has been done in the realm of surface functionalization to augment its performance in endodontics. This review summarizes the unique characteristics, current use, and latest developments in thermomechanically treated NiTi endodontic files. It discusses recent improvements in nano-engineering and the possibility of customizing the NiTi file surface for added functionalization. Whilst clinical translation of this technology has yet to be fully realized, future research direction will lie in the use of nanotechnology.
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