P. J. Van der Vyver, M. Vorster, F. Paleker, and Z. I. Vally, “Comparison of forward and reverse single-file reciprocation for root canal instrumentation in curved mandibular molar canals - a Micro-CT analysis”, S. Afr. dent. j., vol. 75, no. 4, pp. 183–188, May 2020, doi: 10.17159/2519-0105/2020/v75no4a2.