Iranian Endodontic Journal

Vol. 6 No. 2 (2011)

Efficacy of two rotary systems in removing gutta-percha and sealer from the root canal walls

Iranian Endodontic Journal, Vol. 6 No. 2 (2011), 16 March 2011 , Page 69-73
https://doi.org/10.22037/iej.v6i2.2094

Abstract

INTRODUCTION: The aim of this in vitro study was to compare the efficacy of two retreatment rotary systems in removal of gutta-percha (GP) and sealer from the root canal walls with and without use of solvent.

MATERIALS & METHODS: Sixty single-canalled distal roots of mandibular molars were prepared and root filled with gutta-percha and AH26. Each canal was randomly allocated to receive one of the retreatment techniques, Mtwo R or ProTaper. The groups were further divided into two subgroups: with or without the use of solvent. The cleanliness of canal walls was determined by stereomicroscope and scanning electron microscopy.

RESULTS: The results showed that Mtwo R without the use of solvent was more efficient in material removal compared to ProTaper D (P<0.05). Most remnants were found in the apical third of the canals (P<0.05).

CONCLUSION: Mtwo R seems to be an efficient rotary system for endodontic retreatment of root canal with GP.

Keywords:
  • Gutta-percha
  • Mtwo R
  • ProTaper D series
  • Retreatment
  • SEM.

How to Cite

1.
Dadresanfar B, Mehrvarzfar P, Saghiri MA, Ghafari S, Khalilak Z, Vatanpour M. Efficacy of two rotary systems in removing gutta-percha and sealer from the root canal walls. Iran Endod J [Internet]. 2011 Mar. 16 [cited 2026 Jul. 8];6(2):69-73. Available from: https://journals.sbmu.ac.ir/iej/article/view/2094
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