Mohammadian, F.; Sadeghi, A.; Dibaji, F.; Sadegh, M.; Ghoncheh, Z.; Kharrazifard, M. J. Comparison of Apical Transportation With the Use of Rotary System and Reciprocating Handpiece With Precurved Hand Files: An In Vitro Study. Iran Endod J 2017, 12, 462-467.