JUNIPER PUBLISHERS-OPEN ACCESS JOURNAL OF DENTISTRY & ORAL HEALTH Success and Survival Rates of Teeth Restored with Cast Post and Core among National Guard Health Affairs Patients, Riyadh, Saudi Arabia Authored by Abeer A Al Subait Abstract Purpose: To determine the success and survival rates of endodontically treated teeth restored with cast post and core among NGHA patients in Riyadh, Saudi Arabia. Materials and Methods: This retrospective study was conducted in King Abdulaziz Dental Centre (KADC) in Riyadh during November 2015 – April 2016. Fifty seven patients with 140 intraradicular cast posts were included. Patients were evaluated both clinically and radiographically according to the FDI criteria for the evaluation of direct and indirect restorations by two independent examiners, one examiner for the radiographic and another for the clinical examination, after obtaining a well-written and explained informed consent form. Results: Of 140 endodonti