8/22/2023 0 Comments Dentsply rotary endo systemThe ProTaper rotary files speed and torque values have been specified by the manufacturer for maximum efficiency. Rotary ProTaper file system is a comprehensive endodontic file system that has been specially designed to meet the needs of clinicians. The ProTaper rotary files aid in efficient biomechanical preparation of the root canal. They are the ProTaper Shaping files and the ProTaper Finishing files. The ProTaper files are supplied as two variants to be used in different phases of shaping the root canals in endodontic therapy. doi: 10.1111/j.Dentsply ProTaper Universal is a rotary endodontic file composed of nickel titanium alloy. ![]() Efficacy, cleaning ability and safety of different devices for gutta-percha removal in root canal retreatment. Outcomes of nonsurgical retreatment and endodontic surgery: A systematic review. Torabinejad M., Corr R., Handysides R., Shabahang S. Aetiology of root canal treatment failure: Why well-treated teeth can fail. ![]() Radiologic assessment of quality of root canal fillings and periapical status in an Austrian subpopulation-An observational study. Polymerase chain reaction–based analysis of microorganisms associated with failed endodontic treatment. Micro-computed tomography non-surgical endodontic retreatment reciprocating movement root canal filling material. However, the non-surgical endodontic retreatment systems allow for similar carrier-based root canal filling material removal. Statistically significant differences were observed between the proportions of remaining root canal filling material of PTR and H-GG ( p = 0.018), between the non-surgical endodontic retreatment working times (min p < 0.001), and between the efficacies of root canal filling material removal by the non-surgical endodontic retreatment techniques ( p = 0.009). The volume of root canal filling material (mm 3), volume of remaining root canal filling material (mm 3), non-surgical endodontic retreatment working time (min), proportion of remaining root canal filling material (%), and efficacy of root canal filling material removal between the non-surgical endodontic retreatment techniques were analyzed using ANOVA one-way statistical analysis. All of the teeth were submitted twice to a micro-computed tomography (micro-CT) scan, before and after non-surgical endodontic retreatment procedures. The study was performed on 99 single-rooted extracted teeth using the ProTaper Gold endodontic rotary system up to the F2 file (Dentsply Maillefer, Baillagues, Switzerland), which were sealed with GuttaCore (Dentsply Maillefer, Ballaigues, Switzerland) and AH plus epoxy resin sealer (Dentsply DeTrey, Konstanz, Germany) and randomly assigned to the following non-surgical retreatment techniques: ProTaper Retreatment endodontic rotary instruments (D1-D3 files, Dentsply Maillefer, Ballaigues, Switzerland n = 33, PTR), Reciproc Blue endodontic reciprocating instrument (R50, VDW, Munich, Germany n = 33, RCB50), and a combined root canal retreatment technique between Gates-Glidden drills (sizes #3 and #2, Dentsply Maillefer, Ballaigues, Switzerland) and Hedstrom files (file size 35, 30, and 25, Dentsply Maillefer, Ballaigues, Switzerland n = 33 H-GG). The aim of this study is to analyze and compare the efficacy of three non-surgical endodontic retreatment techniques in removing a carrier-based root canal filling material from straight root canal systems.
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