Dentists are mostly clinicians rather than engineers. With the advances in instrumentation design and alloys, they have an obligation to deal more intimately with engineering consideration to not only take advantage of their possibilities but also acknowledge their limitations.
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Ounsi HF, Nassif W, Grandini S, Salameh Z, Neelakantan P, Anil S. Evolution of Nickel–titanium Alloys in Endodontics. J Contemp Dent Pract 2017;18(11):1090-1096.
Phase transformation behaviour and bending property of twisted nickel-titanium endodontic instruments. Int Endod J 2011 Mar;44(3):253-258.
; Miyazaki, S. Superelastic Ni-Ti alloys in orthodontics. Engineering aspects of shape memory alloys. London: Butterworth-Heinemann; 1990. p. 452.
Quantitative and qualitative elemental analysis of different nickel-titanium rotary instruments by using scanning electron microscopy and energy dispersive spectroscopy. J Endod 2008 Jan;34(1):53-55.
; Boyer, R.; Collings, E. Materials properties handbook: titanium alloys. Materials Park (OH): ASM International; 1993.
Fabrication of shape memory TiNi foils via Ti/Ni ultrafine laminates. Scr Mater 2003;48(5):489-494.
Effect of clinical use on the cyclic fatigue resistance of ProTaper nickel-titanium rotary instruments. J Endod 2007 Jun;33(6):737-741.
Processing and microstructure of TiNi SMA strips prepared by cold roll-bonding and annealing of multilayer. Mater Sci Eng A 2005 Nov;408(1):182-189.
Fundamental aspects of hydrogen embrittlement of iron. Mater Jpn 1994;33(7):914-921.
Hydrogen embrittlement of nickel-titanium alloy in biological environment. Metal Mater Trans A 2002 Mar;33(3):495-501.
Thermodynamic analysis of the martensitic transformation in NiTi-II. Effect of transformation cycling. Acta Metal Mater 1994;42(7):2407-2413.
Thermal processing of polycrystalline NiTi shape memory alloys. Mater Sci Eng A 2005 Sep;405(1):34-49.
Alteration in the inherent metallic and surface properties of nickel-titanium root canal instruments to enhance performance, durability and safety: a focused review. Int Endod J 2012 Feb;45(2):113-128.
Current challenges and concepts of the thermomechanical treatment of nickel-titanium instruments. J Endod 2013 Feb;39(2):163-172.
An initial investigation on torsional properties of nickel-titanium instruments produced with a new manufacturing method. Aust Endod J 2009 Aug;35(2):70-72.
Fatigue resistance of engine-driven rotary nickel-titanium instruments produced by new manufacturing methods. J Endod 2008 Aug;34(8):1003-1005.
Cyclic fatigue analysis of a new generation of nickel titanium rotary instruments. J Endod 2009 Mar;35(3):401-403.
Cyclic fatigue and fracture characteristics of ground and twisted nickel-titanium rotary files. J Endod 2010 Jan;36(1):147-152.
Mechanical properties of a new and improved nickel-titanium alloy for endodontic use: an evaluation of file flexibility. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008 Jun;105(6):798-800.
Stiffness and frictional resistance of a superelastic nickel-titanium orthodontic wire with low-stress hysteresis. Am J Orthod Dentofacial Orthop 2007 May;131(5):578.e12-578.e18.
Influence of different manufacturing methods on the cyclic fatigue of rotary nickel-titanium endodontic instruments. J Endod 2011 Nov;37(11):1553-1557.
Resistance to cyclic fatigue failure of a new endodontic rotary file. J Endod 2012 May;38(5):667-669.
Mechanical properties of controlled memory and superelastic nickel-titanium wires used in the manufacture of rotary endodontic instruments. J Endod 2012 Nov;38(11):1535-1540.