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Extraction In Orthodontics

Extraction In Orthodontics

Sanjit Kumar Sar; Divya Shetty; Payal Sharma

LAP Lambert Academic Publishing
2018
pokkari
Extractions in orthodontics remain a relatively controversial area. It is not possible to treat all malocclusions without taking out any teeth. The factors which affect the decision to extract include the patient's medical history, the attitude to treatment, oral hygiene, caries rates and the quality of teeth. Extractions of specific teeth are required in the various presentations of malocclusion. Any decision regarding the need for extraction of teeth during orthodontic therapy is not only dependent on the presence or absence of space in the dental arches. Other issues should be evaluated in order to achieve proper malocclusion correction, maintenance or improvement of facial aesthetics and result stability.
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Hybrid fuzzy controlled isolated microgrid based on RES and ESS

Hybrid fuzzy controlled isolated microgrid based on RES and ESS

Sana Shaik; M Divya Charitha

LAP Lambert Academic Publishing
2020
pokkari
The enabling of ac micro grids in distribution networks allows delivering distributed power and providing grid support services during regular operation of the grid, as well as powering isolated islands in case of faults and contingencies, thus increasing the performance and reliability of the electrical system. This book proposes an alternative strategy to control the generated power within an isolated ac micro grid with distributed RES. The proposal is to control the terminal voltage of the existing battery banks below or equal its maximum allowable value. In this particular book, the power system consists of a power electronic converter supplied by a battery bank, which is used to form the ac grid, an energy source based on a wind turbine with its respective power electronic converter, and the power consumers (loads). The main objective of this proposed strategy is to control the state of charge of the battery bank limiting the voltage on its terminals by controlling the power generated by the energy sources. This is done without using dump loads or any physical communication among the power electronic converters or the individual energy source controllers.
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Optimization of dose in non contrast digital radiography

Optimization of dose in non contrast digital radiography

Supraja Nookala; Divya R

LAP Lambert Academic Publishing
2019
pokkari
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation 1] to view the internal form of an object. Applications of radiography include medical radiography ("diagnostic" and "therapeutic") and industrial radiography. Similar techniques are used in airport security (where "body scanners" generally use backscatter X-ray). To create an image in Conventional Radiography, a beam of X-rays is produced by an X-ray generator and is projected toward the object. A certain amount of the X-rays or other radiation is absorbed by the object, dependent on the object's density and structural composition. The X-rays that pass through the object are captured behind the object by a detector (either photographic film or a digital detector). The generation of flat two dimensional images by this technique is called projectional radiography. In computed tomography (CT scanning) an X-ray source and its associated detectors rotate around the subject which itself moves through the conical X-ray beam produced. Any given point within the subject is crossed from many directions by many different beams at different times
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Syndromes Associated With Periodontal Disease

Syndromes Associated With Periodontal Disease

Tamilselvan Kumar; Divya S; Dhivya Rajendran

LAP Lambert Academic Publishing
2020
pokkari
A number of systemic disorders increase patient susceptibility to periodontal disease, which moreover evolves more rapidly and more aggressively. The underlying factors are mainly related to alterations in immune, endocrine and connective tissue status. These alterations are associated with different pathologies and syndromes that generate periodontal disease either as a primary manifestation or by aggravating a pre-existing condition attributable to local factors. In the presence of qualitative or quantitative cellular immune alterations, periodontal disease may manifest early on a severe localized or generalized basis. In the presence of humoral immune alterations, periodontal damage may result indirectly as a consequence of alterations in other systems. There are variable degrees of consensus regarding the background systemic disorder, as in the case of Chediak-Higiashi syndrome, where antibiotic treatment proves ineffective; in severe congenital neutropenia or infantile genetic agranulocytosis, where antibiotic prophylaxis is suggested; and in Papillon-Lef vre syndrome, where an established treatment protocol is available.PMID: 17468717
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In vitro biological activity of A. indica, C. limon and C. sinensis.

In vitro biological activity of A. indica, C. limon and C. sinensis.

Viralkumar Surati; Divya Gupta

LAP Lambert Academic Publishing
2020
pokkari
The spreading of resistance to antibiotics has fascinated the researcher to develop new antibiotics. However, it is predicted from history that new antimicrobials will have a short life. Thus, resistance to new drugs leads to a shortage of antimicrobials as the discovery of new antimicrobial drugs is not enough to cope with the fast emergence of resistant strains. This requires new potent antimicrobial compounds as an alternative to existing antibiotics. Phytochemicals having a low molecular weight, could be an alternative source of antimicrobials. Natural molecules are a more promising source of drugs. Natural molecules have a diverse chemical structure and biochemical specificity. Biologically active natural molecules usually have low molecular weight; they are easily absorbed and metabolized in the body. Major resources of natural molecules include plants, marine organisms and microbes. The plant produces innumerable secondary metabolites with several biological activities. Hence, it is worthwhile to explore the potential of plants for the development of new therapeutic agents.
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