نتایج جستجو برای: natural fractures
تعداد نتایج: 539851 فیلتر نتایج به سال:
conclusions various modalities of treatment used differentially in different types of drfs based on the barzullah working classification give good results in spite of conflicting literature. results the mean age of the patients was 51.22 ± 20.58 years. most of the patients were females (n=189, 64.19%). the minimal follow up was 6 months with a mean of 15.10 ± 5.4 months. mean mayo wrist scores ...
Introduction & Objective: Closed intramedullary nailing has become the standard treatment for femoral shaft fractures, but because the existing closed reduction methods are difficult and demanding, in the most trauma centers these fractures usually are treated by open reduction method. Our objective was close reduction of these difficult fractures by a simple but effective method using Schanz...
conclusions in middle-aged subjects with psc, we found a high rate of non-vertebral fractures and a moderately decreased bmd in lumbar spine and hip. fragility fractures had an impact on physical and mental aspects of hrqol. results in 32% of patients, bmd measured in the hip or spine was below 1.0 standard deviation. a history of fragility fractures (distal forearm and ribs) was reported in si...
Fracture is an effective reservoir space and important seepage channel for low permeability sandstone reservoirs, which very exploration development. Conventional fracture prediction methods have high cost, slow operation speed resolution, limits the promotion of identification methods. Therefore, this paper proposes a method based on ant tracking. This post-stack seismic data. Firstly, data de...
Accurate information about the distribution of natural fractures is a key factor for success exploration and development oil gas in carbonate rock formations. Forward modeling generated by tectonic movement within formations was investigated jointly using continuum damage model finite element numerical technology. Geological analysis used as basis geomechanical calculation. A workflow calculati...
Introduction: This study was conducted to determine the pattern of maxillofacial fractures in three age groups of adults, adolescents, and children, using CT scan images. Methods: In this cross-sectional study, CT scan images of 230 patients with maxillofacial trauma during one year were examined in terms of the number and site of fractures. The patients were divided into three age groups, chil...
Background: Conventional fixation methods of posterior wall acetabular fractures feature the use of plating and lagscrews. However, fixation of posterior wall fractures with buttress plating alone offers potential advantages by avoidingthe hardware complications related to hardware placement through the wall fragment. The purpose of this study wasto examine if buttress plating...
conclusion for the identification of nasal bone fractures, ct was significantly superior to conventional radiography. although a staff radiologist showed better values in the identification of nasal bone fracture and differentiation between depressed and non-depressed fractures than a trainee, there was no statistically significant difference in the interpretation of conventional radiography an...
Introduction: the Restoration of endodontically treated teeth is critical, and the Awareness of stresses developed by oblique and vertical forces in restorative methods take a great role in treatment plans. Due to the anatomical shape and inherent form of the stress distribution premolars, could be lost by fractures. Some fractures such as vertical fracture which is probable in...
BACKGROUND In cases of severe subversion of the morphology of calcaneal fractures with trabecular defects, bone graft is often necessary to provide a mechanical buttress. The mineralized collagen (MC) is a novel bone substitute that is developed by biomimetic synthesis strategy that mimics the extracellular matrix (ECM) of natural bone in structure and chemical composition. It can avoid donor s...
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