Abstract: Efficacy of Different NiTi Instruments in Gutta-Percha Removal

Efficacy of Different Nickel-titanium Instruments in Removing Gutta-percha during Root Canal Retreatment.

Özyürek T, Demiryürek EÖ. Efficacy of Different Nickel-titanium Instruments in Removing Gutta-percha during Root Canal Retreatment. J Endod. 2016 Feb 18. pii: S0099-2399(16)00059-5. doi: 10.1016/j.joen.2016.01.007. [Epub ahead of print]

The aim of this study was to compare the cleanliness of root canal walls after retreatment using ProTaper Next (PTN; Dentsply Maillefer, Ballaigues, Switzerland), Twisted File Adaptive (TFA; Axis/SybronEndo, Orange, CA), Reciproc (PRC; VDW, Munich, Germany), and ProTaper Universal retreatment (PTR, Dentsply Maillefer) nickel-titanium systems and the time required for gutta-percha and sealer removal … Within the limitations of this study, the PTN and the PTR groups showed less residual gutta-percha and sealer than the TFA and RPC groups.

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