Arifian R, Anang Kusbianto. The Comparative Efficacy of Conventional and Crown-Down Root Canal Preparation Techniques in Relation to the Extrusion of Apical Debris. crown [Internet]. 2023Oct.13 [cited 2024Oct.18];1(1):11-6. Available from: https://phlox.or.id/index.php/crown/article/view/53