(Evaluation of Retention of Metal Post and Core Fabricated by Conventional Technique and 3D Printing System (A Comparative In-Vitro Stud. مجلة الجامعة [Internet]. 2024 Mar. 6 [cited 2026 Jun. 6];7(2). Available from: https://journal.hama-univ.edu.sy/huj/article/view/1780