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1 Effect of various canal preparation techniques using rotary nickel-titanium files on the maintenance of canal curvature
Cheol-Hwan Lee, Kyung-Mo Cho, Chan-Ui Hong
J Korean Acad Conserv Dent.2003;28(1):41-49.   Published online 2003 January 31     DOI: http://dx.doi.org/10.5395/JKACD.2003.28.1.041
      

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