Incidence of apical crack formation and propagation during removal of root canal filling materials with different engine driven nickel-titanium instruments.

Taha Özyürek Vildan Tek Koray Yilmaz Gülşah Uslu

Published in: Restorative dentistry & endodontics (2017)

This study showed that retreatment procedures and apical enlargement after the use of retreatment files can cause crack formation and propagation in apical dentin.

Keyphrases

risk factors
carbon nanotubes