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Information Journal Paper

Title

EFFICACY OF TWO ROTARY SYSTEMS IN REMOVING GUTTA-PERCHA AND SEALER FROM THE ROOT CANAL WALLS

Pages

  69-73

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.

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