Comparative Evaluation Of Cyclic Fatigue Resistance Of Protaper NEXT And Reciproc R Rotary Files In Simulated Canals With Angle Of Curvatures At 45° And 60°: An Invitro Study. Journal of Pharmaceutical Negative Results [Internet]. 2022 Nov. 10 [cited 2026 Jun. 23];13:1400-4. Available from: https://www.pnrjournal.com/index.php/home/article/view/3236