Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Solomonov, Michael; Paqué, Frank; Fan, Bing; Eilat, Yuval; Berman, Louis H (2012). The challenge of C-shaped canal systems: a comparative study of the self-adjusting file and ProTaper. Journal of Endodontics, 38(2):209-214.