Hélio Pereira Lopes

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A NiTi rotary instrument manufactured by twisting: morphology and mechanical properties

Influence of the curved root canal segments length on the fatigue fracture of rotatory NiTi instruments

Comparison of the flexibility and torsional resistance of nickel-titanium rotary instruments

Flexibility and resistance to cyclic fatigue of instruments manufactured by different methods

Evaluation of physicochemical and mechanical properties of NiTi endodontic instruments made with conventional and controlled-memory alloys

Mechanical properties of WaveOne and ProTaper instruments in relation to torsion, hardness a n d tenacity

Influence of taper and immobilization point on the flexibility of RaCe nickel-titanium rotary instruments