نتایج جستجو برای: post diameter
تعداد نتایج: 511895 فیلتر نتایج به سال:
BACKGROUND Stress on the bone surrounding dental micro-implants affects implant success. PURPOSE To compare the stress on the bone surrounding a micro-implant after application of a single force (SF) of 200 g or a composite force (CF) of 200 g and 6 N.mm torque. MATERIALS AND METHODS Finite element models were developed for micro-implant diameters of 1.2, 1.6, and 2.0 mm, and lengths of 6, ...
We address the task of aortic diameter measurement in (noncontrast-enhanced) plain axial cardiac cine MRI. To this end, we set up a likelihood maximization problem which allows us to recover globally optimal aorta locations and diameters of the cine sequence efficiently. Our approach provides intuitive means of manual post-correction and requires little user interaction, making large-scale imag...
The size and variability of the continuum photosphere of oCeti have beenmeasured with 11 lmheterodyne interferometry to an accuracy of about 1%.Narrowbandwidths ( 0.17 cm 1) were used to avoid spectral lines and measure continuum only. The resulting 11 lm diameter of o Cet is larger than the previously measured visible and near-infrared sizes. In addition, variations in the diameter with phase ...
statement of problem: it is yet unclear whether fiber-reinforced composite posts can enhance the mechanical properties and prevent vertical fractures of teeth under chewing loads. purpose: the purpose of this study was to compare the fracture resistance and failure mode of endodontically treated teeth restored with three different post systems. materials and methods: thirty-six maxillary canine...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
the incidence of cirrhosis and primary hepatic carcinoma in the autopsy material is studied. in 4389 autopsies performed, during the last 9 years we found 134 (3%) cases of cirrhosis and 24 (0.5%) cases of primary hepatic carcinoma. the majority of the patients were from northwest and west part of the city. of the 134 cases of cirrhosis 90 correspond to the portal type, 24 to the post-necrotic ...
Abstract Introduction: In this study the role of PGE2 as an important inflammatory mediator in Indomethacine and Theophylline effects on joint diameter and vascular response of chronically inflamed rat knee joint to saphenous nerve stimulation was investigated. Methods: Inflammation was induced by intraarticular injection of 0.2 ml Freund,s Complete Adjuvant (FCA) and 3, 7, 14, 21 days post i...
It is undeniable that instability plays a significant role in the design of pipelines. Local buckles induced by excessive force on specific part of pipeline can locally reduce the collapse pressure of a pipeline and cause local failure. Periodic placement of buckle arrestors along the pipeline can ensure that collapse only effect the length of pipe between two arrestors on either side of the in...
Introduction: The purpose of this study was to compare dimensional changes of two types of auto polymerizing acrylic resin patterns (APARPs) in three different storing environments. Methods: 60 acrylic post and core patterns were made of two types of Duralay acrylic resins (Aria dent, Iran and Reliance, Dental Mfg. Co, USA) using a canine model. Then coronal, apical diameter and coronoapical le...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید