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1 Screw-in forces during instrumentation by various file systems
Jung-Hong Ha, Sang Won Kwak, Sung-Kyo Kim, Hyeon-Cheol Kim
Restor Dent Endod.2016;41(4):304-309.   Published online 2016 November 8     DOI: http://dx.doi.org/10.5395/rde.2016.41.4.304
      

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