This survey is aimed to retrospectively analyze the frequency rate of facial bone fractures based on sex, age, location, quality, risk factors and complications in order to assist medical practitioners and surgeons in improving educational and therapeutical plans and developing novel tools and methods. For this purpose, 274 patients with facial bone fractures were recruited through a two-year...

In this investigation, the position of hyoid bone was compared in three skeletal groups of class I, II and III. The study was based on evaluating 77 lateral cephalometric radiographs, 40 girls and 37 boys, which were divided into 3 groups. Group 1, 2, and 3 consist of 26, 25, and 26 radiographs. 19 cephalometric landmarks and 10 planes were used in order to tracing the radiographs. In all patie...

Background and purpose: Reconstruction of bone defects remains one of the most challenges encountered by orthopedic and reparative surgeons. The purpose of this study was to assess the osteogenic potential of octacalcium phosphate (OCP) and octacalcium phosphate/gelatin (OCP/G) composite in the tibia bone defects in rats. Materials and methods: This experimental study was conducted in 72 mal...

Introduction: Dental abscesses and periodontal disease can be regarded as the common causes of odontogenic sinusitis. Apical periodontitis, periodontal disease, implant treatment and teeth extraction lead to the increase risk of maxillary sinus mucositis. The maxillary sinuses are usually well visualized on panoramic images. Therefore, this study aimed to explore the association between mucosal...

Background and Purpose: Autograft is the best bone graft substitute, however, it has some limitations, so allograft with synthetic or natural materials has been advised to use for bone graft. In this study, Iranian Caspian seashell was used as a biocompatible natural material for radiological evaluation. lodgment of seashell in drilled defects of femur was compared in the treatment group (rab...