The analysis of accelerator concentration effect on setting time and morphology surface impression materials made of brown algae Sargassum sp Bahruddin Thalib; Nurlindah Hamrun; Mohammad Dharma Utama; Edy Machmud; Siti Arpa; Asmawati; Rafikah Hasyim; Alqarama Mahardhika Thalib;

Immediate anterior tooth replacement by using an esthetic fixed bridge: A case report Muhammad Ikbal; Acing Habibie Mude; Irfan Dammar; Nisrina Ekayani;