Canal Centring Ability of ProTaper and Mtwo Rotary Systems in Curved Canals

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Canal Centring Ability of ProTaper and Mtwo Rotary Systems in Curved Canals

The purpose of this investigation was to compare centring ratio of ProTaper and Mtwo rotary systems. 60 mandibular molar teeth which had 25, 30 and 35 degree curvature in mesio-buccal root canal were used. Group 1 had 25°, Group 2 had 30°, and Group 3 had 35° curvatures. The roots were sectioned horizontally at 2 mm away from the apex. The apical region was then observed under a stereo-microsco...

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Shaping ability of Mtwo and Twisted File rotary systems in curved root canals

Objective: To compare the straightening of root canal curvature, the apical transportation, the loss of working length and the working time using two rotary systems. Study design: Sixty buccal root canals with angles of curvature between 30 to 99o were instrumented with Mtwo and Twisted File rotary instruments. A series of preand post-operative radiographs were superimposed to determine the str...

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Comparison of canal transportation in simulated curved canals prepared with ProTaper Universal and ProTaper Gold systems.

OBJECTIVES The purpose of this study was to assess the ability of ProTaper Gold (PTG, Dentsply Maillefer) in maintaining the original profile of root canal anatomy. For that, ProTaper Universal (PTU, Dentsply Maillefer) was used as reference techniques for comparison. MATERIALS AND METHODS Twenty simulated curved canals manufactured in clear resin blocks were randomly assigned to 2 groups (n ...

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Cutting ability of nickel - titanium rotary systems ProTaper , Mtwo and K 3 Sergio

Introduction: Nickel-titanium rotatory systems should remove dentin during the root canal preparation to promote the enlargement and tapered shape with continuously narrowing towards the apex. Objective: The aim of this study was to analyze the cutting ability of three NiTi rotatory systems (n = 12): ProTaper (group 1), Mtwo (group 2), and K3 (group 3). Material and methods: Thirty six maxillar...

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ژورنال

عنوان ژورنال: Balkan Journal of Dental Medicine

سال: 2014

ISSN: 2335-0245

DOI: 10.1515/bjdm-2015-0014