نتایج جستجو برای: calcium plaque
تعداد نتایج: 201165 فیلتر نتایج به سال:
AIMS The prognostic value of coronary artery calcium (CAC) scoring is well established and has been suggested for use to exclude significant coronary artery disease (CAD) for symptomatic individuals with CAD. Contrast-enhanced coronary computed tomographic angiography (CCTA) is an alternative modality that enables direct visualization of coronary stenosis severity, extent, and distribution. Whe...
BACKGROUND AND PURPOSE Atherosclerotic plaque composition and structure contribute to the risk of plaque rupture and embolization. Virtual histology by intravascular ultrasonography and high-resolution MR imaging are new imaging modalities that have been used to characterize plaque morphology and composition in peripheral arteries. MATERIALS AND METHODS The objectives of this study were 1) to...
Introduction and objectives: positive correlation have been seen between high salivary calcium content and periodontal disease. This study was designed to compare inorganic salivary calcium, phosphate, flow rate and ph, of paraffin wax stimulated saliva of patients with gingivitis; mild periodontitis; moderate periodontitis; severe periodontitis. Methods: the present study consisted of 125 pati...
Aim: To assess and compare the salivary composition and periodontal status of smokers and non smokers with chronic periodontitis. Materials And Methods: A total of 100 male subjects were selected from the out patient department of periodontology who fulfilled the criteria of the study and divided into 2 groupsgroup 1 were non smokers with chronic generalized periodontitis and group 2 consisted ...
Since dental implants are used in contact with many different tissues, it is necessary to have optimum surface compatibility with the host bone tissues and soft tissues. Furthermore, dental implant surfaces exposed to the oral cavity must remain plaque-free. Such materials can be created under well-controlled conditions by modifying the surfaces of metals that contact those tissues. “Tissue-com...
BACKGROUND The pattern of saphenous vein graft (SVG) calcification before percutaneous intervention has not been studied. METHODS AND RESULTS We used diagnostic and preintervention intravascular ultrasound (IVUS) to determine the incidence and magnitude of SVG calcification in 334 SVG lesions in 274 consecutive patients. Calcium was found in 133 SVGs (40%). Calcium was uniformly distributed a...
Using a mAb, referred to as 08L, we have identified a protein, of M(r) approximately 140,000, associated with desmosomes of epithelial cells. The 08L antibody stained the intracellular side of lateral cell margins of monolayer epithelial cells but did not stain cell margins free of cell contact. Immunoelectron microscopy revealed that the 08L antigen was localized to the cytosolic surface of th...
UNLABELLED This article discusses the possible cariostatic mechanisms of the action of fluoride. In the past, fluoride inhibition of caries was ascribed to reduced solubility of enamel due to incorporation of fluoride (F-) into the enamel minerals. The present evidence from clinical and laboratory studies suggests that the caries-preventive mode of action of fluoride is mainly topical. There is...
A 46-year-old male patient came to our outpatient clinic with a white lesion on his right cheek. He explained that this lesion occured approximately 25 years ago. There was no family history of similar lesion. Dermatological examination revealed white plaque with an irregular surface 0.5 cm x 1 cm in size on his right cheek, which seemed to be whitewashed [Figure 1]. Skin biopsy was performed f...
OBJECTIVE The Tissue Removal Assessment with Ultrasound of the SFA and Popliteal (TRUTH) study assessed the performance of the orbital atherectomy system (OAS) to treat femoropopliteal arteries, including determining its effect on plaque removal. METHODS Patients with symptomatic femoropopliteal peripheral arterial disease were treated with the OAS followed by adjunctive balloon angioplasty (...
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