Pentelescu, Carola, Loredana Colceriu, Ovidiu Pastrav, Carina Culic, and Radu Chisnoiu. 2015. “In Vitro Evaluation of Root Canal Preparation With Two Rotary Instrument Systems – Pro Taper and Hero Shaper”. Medicine and Pharmacy Reports 88 (3):395-402. https://doi.org/10.15386/cjmed-454.