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تعداد نتایج: 492212 فیلتر نتایج به سال:
Dental caries is one of the most frequent diseases which affects, to quite a high extent, both temporary and mixed dentition. Restoration of the loss of hard dental substance caused by simple or complicated caries of the temporary teeth and of the young permanent teeth can re-establish tooth morphology and, implicitly, the mastication, phonation, physiognomic functions, as well as that of space...
Serum-opsonized bacteria are efficiently ingested and killed by neutrophils within the phagocytic vacuole, where they are exposed to an array of reactive oxygen metabolites and toxic lysosomal components. Although bacteria may be destroyed by oxygen-independent mechanisms alone, many types of bacteria are not killed effectively unless they are attacked by oxygen metabolites. However, the appare...
By expressing the Holstein-Primakoff transformation in a symmetric form a modified spin-polaron technique utilized on triangular-lattice antiferromagnet is developed. With the technique, we have treated an extended t-J model, calculated the quasiparticle dispersion, and we also compared the the dispersion with that obtained by other method. PACS: 74.20.-z, 71.27.+a, 75.30.Gw
BACKGROUND Many procedures currently require the use of bone grafts to replace or recover bone volume that has been resorbed. However, the patient's opinion and preferences must be taken into account before implementing any treatment. Researchers have focused primarily on assessing the effectiveness of bone grafts rather than on patients' perceptions. Thus, the aim of this study was to explore ...
A central hypothesis of The Etiology, Risk Factors and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development (MAL-ED) study is that enteropathogens contribute to growth faltering. To examine this question, the MAL-ED network of investigators set out to achieve 3 goals: (1) develop harmonized protocols to test for a diverse range of enteropatho...
A novel approach utilized in video database objectbased queries is proposed. This new method segments an example video sequence into real world objects using a combination of color image segmentation techniques along with MPEG-1/2 motion vectors. First, the initial frame in the sequence undergoes a color/texture segmentation algorithm that divides the frame into homogenous regions of color and ...
A new strategy currently under evaluation in patients with peritoneal carcinomatosis from gastrointestinal and gynecologic cancers is perioperative intraperitoneal chemotherapy. Although results to date show benefit to carefully selected groups of patients, continued local-regional failure is seen in many treated patients. Continued clinical and laboratory research efforts to improve local-regi...
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