COMPARATIVE EVALUATION OF INSTRUMENTATION TIME, OBTURATION TIME, AND RADIOGRAPHIC QUALITY OF OBTURATION USING ROTARY FILES SYSTEMS VERSUS HAND K FILES FOR PRIMARY MOLAR PULPECTOMY – IN VIVO STUDY. Journal of Pharmaceutical Negative Results [Internet]. 2023 Feb. 8 [cited 2026 Jun. 9];:3028-37. Available from: https://www.pnrjournal.com/index.php/home/article/view/8235