Practical tips in ledge management
Fig. 1

With a winding motion, push the steel handfile iso 10 (pre-bended in a fishing hook style) little towards the apical zone.

Practical tips in ledge management
Fig. 2

This will allow us to pass a ledge. Then prepare a ledge with following  hand files till size 20, also pre-curved in that particular way.

Practical tips in ledge management
Fig. 3

The outer curvature of a file will cut and flatten a ledge and provide a proper glide path for a rotary instrumentation.

Practical tips in ledge management
Fig. 4

Passing that step one can proceed with a mechanical instrumentation. Still, never push a rotary file in this situation as it should advance in a canal by itself. If ok you can finish, your preparation with a rotary, if not finish with hand files.

Practical tips in ledge management
Fig. 5


There are a lot of techniques to pass a ledge in a canal. The main thing is to find a solution which is teachable, feasible and repeatable.


JOE — Volume 33, Number 10, October 2007
Ledge Formation: Review of a Great Challenge in Endodontics
Hamid Jafarzadeh, DDS, MSc,* and Paul V. Abbott, BDSc, MDS, FRACDS (Endo)†
Shaping Ability of Reciproc, WaveOne GOLD, and HyFlex EDM Single-file Systems in Simulated S-shaped Canals.J Endod. 2017 Mar 11.
Özyürek T1, Y?lmaz K2, Uslu G2.
J Conserv Dent. 2010 Jan;13(1):16-22. doi: 10.4103/0972-0707.62636.
CT evaluation of canal preparation using rotary and hand NI-TI instruments: An in vitro study.
Nagaraja S1, Sreenivasa Murthy BV.
Iran Endod J. 2008 Summer;3(3):73-8. Epub 2008 Jul 10.
Technical quality of root canal treatment performed by undergraduate dental students.
Dadresanfar B1, Mohammadzadeh Akhlaghi N, Vatanpour M, Atef Yekta H, Baradaran Mohajeri L.