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1 Comparison of screw-in effect of three NiTi file systems used by undergraduates
Seung-Hei Oh, Jeong-Kil Park, Bock Hur, Hyeon-Cheol Kim
J Korean Acad Conserv Dent.2006;31(6):477-484.   Published online 2006 November 30     DOI: http://dx.doi.org/10.5395/JKACD.2006.31.6.477
      

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