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.
Paqué, F; Ganahl, D; Peters, O A (2009). Effects of root canal preparation on apical geometry assessed by micro-computed tomography. Journal of Endodontics, 35(7):1056-1059.