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The Chinese Journal of Dental Research

Year 2004
Volume 7 , Issue 4

Pages: 55 - 59

Clinical Evaluation of ProTaper NiTi Rotary Instruments in the Management of Curved Root Canals

Xu Qiong/Fan Mingwen/Fan Bing

Objective: To evaluate the clinical effect of the ProTaper nickel-titanium rotary instruments in preparation of curved root canals. Methods: Sixty-five teeth with curved root canals were treated with ProTaper instruments using crown-down technique and obturated with lateral condensation method. The efficiency of preparation and obturation was analyzed by radiographs before, during and after the operation. Results: No blockage, ledge, zip and apical transportation were found in all cases. The instruments could keep the curvature and flow of curved canals. The operative time was short, and endodontic flare-up seldom occurred. Two files were fractured during instrumentation. Conclusion: The ProTaper NiTi rotary instruments can prepare curved root canals effectively and quickly. Meanwhile, the problem of instrument fracture should be prevented.



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