نتایج جستجو برای: rotary systems
تعداد نتایج: 1191667 فیلتر نتایج به سال:
INTRODUCTION The maximum removal of root canal filling material is essential for successful endodontic retreatment. The purpose of this study was to assess the efficacy of 2 reciprocating systems (Reciproc [VDW, Munich, Germany] and WaveOne [Dentsply Maillefer, Ballaigues, Switzerland]) compared with a nickel-titanium (NiTi) rotary system (ProTaper Universal Retreatment [Dentsply Maillefer]) in...
In vitro Comparison of the Apical Microleakage of Lateral Compaction with the Warm Vertical of 4% Tapered Gutta-Percha Obturation in Root Canal Prepared by FlexMaster Rotary System K. Nazari Moghadam DDs , K. Honardar DDs , H. Labaf DDs2 Received: 19/06/06 Sent for Revision: 28/06/06 Received Revised Manuscript: 29/04/07 Accepted: 09/05/07 Background and Objective: The success rate of root cana...
INTRODUCTION The aim of the present study was to compare hand stainless steel K-files and Nickel-Titanium Profile 0.04 taper 29 series rotary instruments for their efficiency, procedural errors and time consumed in preparation of root canal system. MATERIALS AND METHODS A total of 46 maxillary and mandibular first premolars extracted for orthodontic purposes were collected (two contralateral ...
BACKGROUND Efforts to improve the performance of rotary NiTi instruments by enhancing the properties of NiTi alloy, or their manufacturing processes rather than changes in instrument geometries have been reported. The aim of this study was to compare in-vitro the shaping ability of three different rotary nickel-titanium instruments produced by different manufacturing methods. METHODS Thirty s...
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