نتایج جستجو برای: cast post
تعداد نتایج: 428535 فیلتر نتایج به سال:
The aim of this study was to determine the effect of ultrasonic vibration on the force necessary to remove pre-fabricated and anatomic and cast posts. Two hundred and forty teeth were divided into two groups. In group I, a 0.8-mm metallic pre-fabricated post, Unimetric-Maillefer, was utilized; in group II, cast copper-aluminum alloy posts measuring 0.8, 1.0 and 1.2 mm in diameter were used. The...
F requent and repetitive forms of premature ventricular complexes (PVCs) have been recognized as independent markers of increased risk for sudden cardiac death in patients with a previous myocardial infarction. On this basis, the Cardiac Arrhythmic Suppression Trial (CAST) was initiated to test the hypothesis that suppression of these ventricular arrhythmias would reduce the incidence of sudden...
The Calf Antibiotic and Sulfonamide Test (CAST), a microbial inhibition screening test, was developed for detecting antibiotics and sulfonamides in bob veal calf carcasses. The test uses Bacillus megaterium ATCC 9885 as the indicator organism and Mueller Hinton agar as the growth medium. Compared to Swab Test on Premises (STOP), developed in 1970, this screening test has higher sensitivity and ...
Objective: To evaluate marginal discrepancies between cast implant superstructure and EDM processed implant structure. Materials and methods: For the purpose of this study, an experimental model was prepared on which nine cast implant superstructure in nickel-chromium were fabricated which was then subjected to EDM processing. One-screw test was used to verify fit of superstructure both preand ...
A convenient procedure for protein extraction from hair, nail, and wool were applied for chicken feathers. The velocities of protein extraction by the Shindai method were 1.1−1.8 fold faster than those by the conventional method. The protein components mainly consisted of β-keratin. Protein films with white color were formed from β-keratin solution by Pre-cast, Post-cast, and soft Post-cast met...
در این تحقیق مدلسازی و تحلیل میل لنگ موتور ملیef7 انجام شده است. در این تحقیق به بررسی نیروهای وارده بر میل لنگ در سرعتهای دورانی مختلف موتور و زوایای مختلف میل لنگ پرداخته شده است. در این راستا معادلات سینیتکی شاتون بدست آمده است و جابجایی دینامیکی دو سر شاتون مورد بررسی قرار گرفته است و نیروهای وارده به آنها محاسبه شده که عکس این نیروها به میل لنگ وارد می شود. یک مدل کامل از میل لنگ با تمام ...
We have developed a novel method of extracting proteins from human hair in the absence of detergent called the "Shindai Method". Using the protein solution consisting of hard alpha-keratins and matrix proteins prepared by this method, we developed two procedures for preparing hair protein films. The protein solution was mixed with trichloroacetic acid (TCA), perchloric acid (PCA) or guanidine-H...
BACKGROUND The aim of this study was to develop a scoring system for identifying the post-cardiac arrest syndrome (PCAS) patients with a good potential for recovery prior to the initiation of induced therapeutic hypothermia. METHODS A multi-center, retrospective, observational study was performed. Data of a total of 151 consecutive adults who underwent induced hypothermia after cardiac arrest...
Mandibular molar with extensive loss of tooth structure, especially where no cavity wall is remaining, and insertion of posts in both the roots appear necessary so as to achieve proper retention for the core material. A single unit metal casting with two posts, one in the mesial root and the other in the distal divergent root, is difficult to fabricate due to difference in the path of insertion...
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