A comparison of preparing curved canals using NiTi Engine-driven and K-flexo endodontic instruments. Mustansiria Dental Journal, [S. l.], v. 3, n. 1, p. 1–6, 2018. DOI: 10.32828/mdj.v3i1.611. Disponível em: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/611. Acesso em: 21 apr. 2025.