نتایج جستجو برای: bone quality
تعداد نتایج: 1046748 فیلتر نتایج به سال:
This paper presents system development for quality evaluation of fish fillet using image processing. The proposed system consists of conveyer belt, Ultraviolet (UV) lamp, CCD Camera, electronic circuits, interface card and computer. K-means clustering and thresholding techniques are used for quality evaluation of fish fillet. The image segments are used to calculated area of fish fillet and fis...
PURPOSE The purpose of this study was to obtain the description of the mandibular bone quality of male and female patients between 40-60 years old and their differences based on mandibular cortical bone thickness measured using Mental Index (MI). MATERIALS AND METHODS Forty digital panoramic radiographs, which consisted of twenty male and twenty female patients, 40-60 years old, were observed...
(1) Clinical Significance Bone strength governs fracture risk and reflects the integration of two main features: bone mass or density and bone quality. Bone mineral density (BMD) is expressed as grams of mineral per area or volume and in any given individual is determined by peak bone mass and amount of bone loss. Bone quality refers to trabecular bone architecture, turnover, damage accumulatio...
Background and Aims: Reconstruction of osseous defects is one of the ideal goals of periodontal treatments and dental implant therapy. Different biomaterials have been used for this purpose and many studies have tried to compare and introduce the best ones. The present study aimed to evaluate the effect of PDFDB (Partially Demineralized Freeze-Dried Bone Graft) and FDBA (Freeze Dried Bone Allog...
Hypotheses: Values of serum markers related to bone quality are abnormal in young female ballet dancers. Methods: In 13 elite Japanese female ballet dancers (average age, 22 years), markers related to bone quality were investigated. These included: serum homocystein (HC), a marker of increased oxidative stress; pentosidine (Pent), a marker of glycationor oxidation-induced non-enzymatic cross-li...
OBJECTIVES To evaluate image quality for marginal bone tissue assessment on panoramic radiographs taken with the Scanora dental programme and on posterior bitewing radiographs. METHODS Panoramic and bitewing radiographs were taken of 96 patients. Six observers rated marginal bone level visibility as excellent, acceptable, or unacceptable. Five observers assessed image quality for detection of...
statement of problem: the goal of bone regenerative therapy is to reconstruct the damaged tissues to initial condition, which seems so important in periodontoiogy and implantology. in such therapies, different biomaterials, with some advantages and disadvantages, may by use.purpose: the aim of this research was to evaluate the quality, bone trabecular density and thickness of newly forming bone...
Obesity and type 2 diabetes mellitus (T2DM) progress worldwide with detrimental effects on several physiological systems including bone tissue mainly by affecting bone quality. Several gut hormones analogues have been proven potent in ameliorating bone quality. In the present study, we used the leptin receptor-deficient db/db mice as a model of obesity and severe T2DM to assess the extent of bo...
Background: Osteoporosis is a systemic skeletal disease characterized by low bone mineral density (BMD) and micro-architectural deterioration of bone tissue, leading to bone fragility and increased fracture risk. Since Panoramic image is a feasible and relatively routine imaging technique in dentistry; it could provide an opportunistic chance for screening osteoporosis. In this regard, numerous...
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