Root canal preparation in narrow, curved canals is a challenge even for experienced endodontists. Recently nickel-titanium (NiTi) hand files have played an important role in root canal preparation, particularly in curved root canals. Nickel-titanium endodontic instruments were first investigated in 1988 by Walia et al. who found that NiTi files have two to three times more elastic flexibility in bending and torsion, as well as superior resistance to torsional fracture compared with similar stainless steel files.
| Identifer | oai:union.ndltd.org:ADTP/188944 |
| Date | January 1997 |
| Creators | Sattapan, Boonrat |
| Source Sets | Australiasian Digital Theses Program |
| Detected Language | English |
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