نتایج جستجو برای: plaque formation
تعداد نتایج: 557182 فیلتر نتایج به سال:
Introduction: Brackets and other fixed orthodontic appliances not only make tooth brushing more difficult, but also provide a suitable environment for the accumulation of plaque. To prevent this situation, dentists usually educate their patients to control the plaque formation and maintain good oral hygiene. This study aims to compare the effect of multimedia and practical education on the know...
F-18 Fluoride Positron Emission Tomography-Computed Tomography for Detecting Atherosclerotic Plaques
A large number of major cardiovascular events occur in patients due to minimal or some lumen narrowing of the coronary artery. Recent biological studies have shown that the biological composition or vulnerability of the plaque is more critical for plaque rupture compared to the degree of stenosis. To overcome the limitations of anatomical images, molecular imaging techniques have been suggested...
Caries is a disease of human dentition characterized by the loss of mineralized surfaces of the toot di non-specific removal of plaque by mechanical means such as brushing, although it is difficu this method. Caries is also a widespread infection in children. Streptococcus mutans and S. gents of caries heres to the en ria.
Periodontal disease (PD) is a significant problem in dogs affecting between 44% and 63.6% of the population. The main etiological agent for PD is plaque, a microbial biofilm that colonizes teeth and causes inflammation of the gingiva. Understanding how this biofilm initiates on the tooth surface is of central importance in developing interventions against PD. Although the stages of plaque devel...
Although higher serum phosphate level is a risk factor for cardiovascular diseases in general population as well as chronic kidney disease patients, it has not been clarified whether higher phosphate can affect atherosclerotic plaque formation. In this study, we investigated the effect of prolonged-intake of different concentrations of phosphate on atherosclerosis formation using apolipoprotein...
BACKGROUND Chronic kidney disease (CKD) is an independent risk factor for the development and severity of coronary artery disease (CHD) and endothelial dysfunction. There is an increase in the circulating angiogenesis inhibitors endostatin (END), thrombospondin-2 (TSP), angiopoietin-2 (ANG) and the nitric oxide (NO) inhibitor asymmetric dimethyl arginine (ADMA) in CKD patients. The aim of this ...
Background—The formation of an occluding thrombus on a ruptured or eroded atherosclerotic plaque is the hallmark event leading to acute coronary syndromes, myocardial infarction, and sudden death in humans. However, other species are highly resistant to plaque complications, and the specific processes predisposing to plaque destabilization and thrombosis are poorly understood. Methods and Resul...
BACKGROUND AND PURPOSE Serum ferritin and heterozygosity for the C282Y mutation of the hemochromatosis gene have both been associated with an increased risk of cardiovascular events. The purpose of the study was to test whether either is a risk predictor for asymptomatic carotid atherosclerosis. METHODS We assessed carotid intima-media wall thickness (IMT) and focal plaque formation by high-r...
A plaque assay system for pathogenic rickettsiae, which utilizes primary chick embryo tissue cultures, is described. It proved to be a highly reproducible measure of infectiousness for Rickettsia rickettsi and R. typhi, which were employed in most studies; as well as for R. canada, R. prowazeki, R. sibirica, R. akari, R. conori, and Coxiella burneti. Plaque-forming units (PFU) were compared to ...
BACKGROUND The proceeding of blood pressure (BP) from normal level to the hypertension has been found to be associated with increased cardiovascular events and multiple vascular risk factors. However, whether the process is associated with increased carotid atherosclerotic plaque per se or not is still unclear. METHODS Nine hundred and forty-two participants aged from 46 to 75 were enrolled f...
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