A peer-reviewed version of this preprint was published in PeerJ on 14 December 2018. View the peer-reviewed version (peerj.com/articles/6109), which is the preferred citable publication unless you specifically need to cite this preprint. Çelik G, Maden M, Savgat A, Orhan H. 2018. Shaping ability of the profile 25/0.06 and protaper F2 in rotary motion, and reciproc in simulated canals. PeerJ 6:e6109 https://doi.org/10.7717/peerj.6109