Fracture of nickel titanium rotary instrument during root canal treatment and re-treatment: a 5-year retrospective study.
K AlfouzanAhmed JamlehPublished in: International endodontic journal (2017)
The fracture incidence of K3 instruments was significantly greater during root canal re-treatment than root canal treatment, mainly with small instruments and in the apical third of the canals.
Keyphrases