12/19/2013

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Computerized Cat The present work has as objective to carry through the Revision of Literature approaching the aspects of the risks and benefits of the Cat scan Computerized in the evaluation daily pay-operatria and of planning of the dental implantations, favoring the understanding and interpretation of the images produced for the examination as well as evaluating the indications, advantages and disadvantages of the tomographic examination and its use in the biomedical prototipagem. For the study it was opted to the accomplishment of the descriptive research, through the systematic revision of literature and of data base between 1917 and 2005, on imaginolgicos examinations associates with the evaluation of procedures in Implantodontia and biomedical prototipagem (MARTINS & SAINTS, 2003). CHAPTER I PHYSICAL PRINCIPLES OF the COMPUTERIZED CAT SCAN In accordance with Williams et al. (1992), the Computerized Cat scan uses rays X to produce the description digital of an image that can be placed in a monitor of computer or a film. The image can be visualized in the screen of the computer during the mapping or can be photographed and be stored in records or magnetic ribbons. The beam of rays X colimado is passed through the patient and the remainder is caught by a detector, the information gotten by means of some projections is transmitted for a computer analyzes that it by means of mathematical algorithms, reconstructs the image it places and it in the screen of the monitor. In the odontolgica implantodontia, the computerized programs are used to rearrange the information and to reformat a series of axial images in representations of oblique images throughout the bending of the bone of the alveolar rim. The resultant images are the real representation and can be presented in the monitor, or a series of images can be produced and be organized so that...
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Mortgage Securities Mortgage-backed securities (MBS), in English literature MBS (mortgage-backed securities), are special cases of ABS (asset-backed securities). ABS are securities that give their owners the right to receive cash flows from a specific pool (Set) of assets. In the case of MBS assets represent contractual rights to mortgage loans secured by real estate collateral. Mortgage loans are repaid monthly (or quarterly) payments. Owners MBS backed by this pool, get a large portion of these payments on some predetermined pattern. In world practice, a wide variety of MBS, which differ in the type of ensuring assets, warranties, risk-sharing, etc. However, there are only two fundamental ways to distribute cash proceeds from asset MBS: 1. Payments are sent to owners of MBS after will be made for retaining administrative and servicing MBS. Such papers are called 'cross-cutting'. They constitute the vast majority of emitted MBS in the world. 2. The whole issue of MBS is divided into several classes. Payments, and risks redistributed between these two classes in accordance with a set of rules to structure and service. Such securities are called structured. Typical examples are structured MBS CMO (collateralized mortgage obligations) and CMBS (Commercial mortgage-backed securities). In Russia, the only statute providing for such tools, today is the Law "On Mortgage Securities 152-FZ of 11 November 2003. The Act provides for securitization of mortgage loans through mortgage-backed bonds and mortgage participation certificates. The most common form of mortgage-backed securities in Russia - a mortgage. The concept of a mortgage as a free traded in the securities market has appeared in federal law in 1998 "On Mortgage".

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