نتایج جستجو برای: bone loss
تعداد نتایج: 727243 فیلتر نتایج به سال:
Background and Aim: The aim of this clinical study was to determine the effectiveness of progressive loading procedures on preserving crestal bone height and improving peri-implant bone density around maxillary implants restored with single crowns by an accurate longitudinal radiographic assessment technique. Materials and Methods: Eleven Micro-Thread Osseo Speed dental implants were place...
Background & Aim: The most common surgically treatable causes of hearing loss are middle ear diseases among which the greatest effect is related to ossicular chain dysfunction. Successful ossicular chain reconstruction certainly improves air conduction thresholds and closes air-bone gap in audiograms, but the effect of this procedure on bone conduction thresholds has remained to be elucidat...
Background: Bone marrow transplantation (BMT) is the treatment of choice for many patients with malignant and nonmalignant diseases. Long-term complications such as osteoporosis should be considered, because it is directly associated with the morbidity and mortality. The purpose of this study is to assess the bone mineral density after allogenic or autologous bone marrow transplantation in pati...
background: to determine the protective impact of efficient serum copper concentration on bmd in women and to asses its impression on bone. methods: six hundred healthy women through a national project in iran, imos, were selected via a cluster random sam pling and enrolled the study. they were divided to pre menopausal (404/600, 67.7% of total) and post menopausal (190/600, 32%of total) groups...
background: revealing data on the role of vitamin d and calcium supplementation in bone health has led some to suggest that vitamin d and calcium treatment could also play a role in protecting bone against microgravity-induced mineral loss. objectives: the aim of the present study was to investigate the effects of vitamin d and calcium administration on microscopic and densitometric changes of ...
در این پروژه فیلترهای مایکرواستریپ جدیدی برای بهدست آوردن اندازهی فشرده، پاسخ تیز و نیز باند قطع عریض ارائه شده است که از جملهی آن ها فیلتری است که از سری شدن یک رزوناتور شاخهای منتهی به نیمدایره و یک تکهی شعاعی بهبود یافته به عنوان تضعیف کنندهی هارمونیک، تشکیل شده است. فرکانس قطع -3 db این فیلتر در 1.54 ghz قرار دارد. باند گذر این فیلتر تنها 0.26 ghz است که شامل محدودهی فرکانسی 1.5...
changes (BMD) and osteoporosis .Helico bacter pylori which is a known cause of gastritis and peptic ulcer Osteopprosis is one major cause of bone fracture and subsequent morbidity and mortality in the elderly population. Several clinical and demographic parameters including aging, menopause, parity , inflammatory disease, hormonal, gastrointestinal, renal and metabolic disorders like vitamin D ...
In the past two decades, replacement of the missing teeth with implant borne prosthesis has become a treatment modality, accepted by the scientific community for fully and partially edentulous patients. The aim of the present study is to evaluate retrospectively, 502 ITI dental implants application, in partial and complete edentulous patients, treated in two private centers, based on clinical a...
backgroundcongenital generalized lipodystrophy (cgl) is a rare disease. it is associated with near total fat loss, severe insulin resistance and hypoleptinemia leading to metabolic derangements.case presentationwe report a 25- year- old female with 1-acylglycerol-3-phosphate-o-acyltransferase 2 (apgat2) mutation, and both sclerotic and lytic bone lesions together for the first time. bone cyst i...
Introduction: Dental caries and periodontal disease are probably the most common oral chronic diseases in worldwide, and their prevalence is progressively increasing from day to day. Therefore, this study was conducted to investigate the relationship between caries and periodontal disease. Methods: In this cross sectional study, 237 panoramic radiographies of patients aged 10 to 65 years (110m...
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