DR. VISHESH GUPTA***, D. B. D. B. R. A COMPARATIVE EVALUATION OF FLEXURAL FATIGUE RESISTANCE OF PROTAPER NEXT AND PROFILE VORTEX: AN IN-VITRO STUDY. Journal of Biomedical and Pharmaceutical Research, [S. l.], v. 6, n. 1, 2017. Disponível em: https://jbpr.in/index.php/jbpr/article/view/89. Acesso em: 16 apr. 2026.