Introduction & Objective: This finite elements study for the first time has investigated the pattern of strain distribution in bone around dental implants in one and two implant supported overdenture treatment planning in protrusive and laterusive movements, in order to choose the best plan biomechanically. Materials & Methods: To simulate the dental- implant and the bone, with Catia softwar...

In recent years the use of titanium implant have received special attention in dentistry. In 1994 an implant clinic has established in Faculty of Dentistry, Tehran University of Medical Science and since then, 289 implants have been placed for 120 patients. In literatures a success rate of 93% and 84% of implants placed in mandible and maxilla respectively, have been reported. The purpose of th...

Background and purpose: The aim of this study was to investigate the relationship between the implant survival rates and the length and diameter in disabled veterans attending Qazi Tabatabai Dental Clinic, Tehran, Iran during 2000-2010. Materials and methods: A retrospective study was conducted in 181 disabled veterans referring to Qazi Tabatabai Clinic. They received 1,255 implants from thr...

Background and Aims: The All-on-4 design with its significant advantages is an appropriate model in reconstruction of edentulous mandible. Evaluation of stress and strain distribution in this model is necessary for better judgment. The purpose of this FEA study was to measure stress and strain distribution on peri-implant bone in All-on-4 design in edentulous mandible. Materials and Methods: Th...

Introduction: Evaluating the frequency of complications in implant supported prosthesis such as screw loosening and porcelain fracture is important for prevention and management of these problems. The purpose of this study was to evaluate the frequency of implant-supported fixed prosthesis complications in Yazd dental school  in 2020. Methods: In this descriptive cross-sectional study, the pat...

Background and Aims: In recent years, dental implants have received special attention in dentistry. Due to the remarkable success of predictable dental implants, there is growing interests in the scientific community from descriptions of implant success toward identify factors associated with implant failure. The purpose of this study was to identify the risk factors associated with implant f...