Comparison of marginal and internal fit of custom-made post and core restorations milled with 4-axis and 5-axis milling machines in Polyetheretherketone and composite

Mostafa, Asmaa; Sadek, Hoda M Abdel; Hamdy, Amina; Emam, Marwa; Ahmed Hani Mohamed Tawfik; amina hamdy; Osama, Fares; Lobna Mohamed; Nada Diaa; Noura Khaled; Youstina Youssif; Abadir Ghaly;