نتایج جستجو برای: marginal rate
تعداد نتایج: 996633 فیلتر نتایج به سال:
Knowles, Persico, and Todd (2001) develop a test for racial bias in traffic stops that is predicated on the notion that it is the hit rate—the rate at which motor-vehicle searches result in the seizure of physical evidence—and not the rate of traffic stops or vehicle searches, that should be used to discern whether disparities in police treatment are due to racial bias or statistical discrimina...
Background and Aims: Marginal adaptation is important for the long-term success of full-coverage restorations. Preparation design is one of the important factors influencing the marginal integrity. Therefore, the purpose of this study was to compare the effect of radial shoulder and chamfer finish line designs on the marginal adaptation of all-ceramic Cercon restorations.Materials and Methods: ...
Background and Aims: Marginal gap measurement in all ceramic restorations they are of fundamental important for the successful used. As some studies led to contradiction results, yhe aim of this study is to compare marginal gap restorations between 4 kinds of ceramic restorations Inceram, IPS-e.max Press, Zirconia (CAD/CAM) and PFM. Materials and Methods: In this In-vitro experimental research...
سابقه و هدف: یکی از مهم ترین شاخص های مقبولیت کلینیکی و دوام رستوریشن های ریختگی تطابق مارجینالی آنهاست. عدم وجود آن به اکسپوژر لایه سمان، حل شدن آن، تجمع پلاک باکتریال، عود پوسیدگی و التهاب بافت های لثه منجر می گردد. هدف از انجام این تحقیق ارزیابی تاثیر نوع خط خاتمه تراش بر میزان marginal discrepancy بود. مواد و روش ها: در این مطالعه تجربی آزمایشگاهی، سه عدد دای فلزی به روش شبیه سازی تهیه، یکی...
Introduction: Marginal fit is a key factor for long term clinical success through any dental restorations. Poor marginal adaptation causes cement dissolution. This can lead to dental caries, gingival irritation, periodontal diseases, and finally treatment failure. The aim of this study was measurement and comparison of marginal gap quantities in metal ceramic and all ceramic dental restorations...
To ascertain whether the , ·elocity of Ice Stream B, \\'est Antarctica, may be controlled by the stres e in its marginal shear zones \ the .. Snake" and the .. Dragon'· ), we undertook a determination of the marginal hear stress in the Dragon near Camp up B by using ice itself as a stress meter. The ob erved marginal shear strain rate of0.14 a I is used to calculate the marginal shear stress fr...
OBJECTIVES Splenic marginal zone lymphoma (SMZL) is a rare indolent B-cell lymphoma with variable prognosis. As a result, there is sparse knowledge on the role of splenectomy and best management approaches. We aim to explore management strategies and outcomes amongst the cohort of SMZL patients at our centre. METHOD A retrospective review of all splenectomies performed at a tertiary referral ...
objectives : marginal adaptation is important for long-term success of full-coverage restorations. the aim of this study was to determine the effect of porcelain firing cycle and different thicknesses of ips e.max core on marginal accuracy of all-ceramic restorations. materials and methods : a standard stainless steel die with 0.8 mm classic chamfer finish line and 10° taper was used in this in...
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