74 resultados para Modified Bridgman technique
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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A study was conducted to analyze the effects of propolis mouth rinse on the repair of surgical wounds after sulcoplasty by the modified Kazanjian technique. Twenty-seven patients who underwent sulcoplasty were divided into three groups: C1--patients who did not use the mouth rinse C2--patients who used a mouth rinse containing 5% aqueous alcohol T--patients who used a mouth rinse containing 5% propolis in aqueous alcohol solution. The patients returned 7, 14, 30, and 45 days after surgery for cytological and clinical evaluation. It was concluded that: 1) the mouth rinse containing propolis in aqueous alcohol solution aids repair of intra-buccal surgical wounds and exerts a small pain-killing and anti-inflammatory effect; 2) the vehicle employed has a minor irritant effect on intra-buccal surgical wounds; 3) exfoliative cytology allows epithelization of intrabuccal surgical wounds.
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Dentists are often faced with extensively resorbed mandibular ridges with shallow buccal vestibule and high insertion of the mentalis muscle in relation to the crest of the ridge, causing the displacement of the prosthesis. Vestibuloplasty techniques aim at eliminating the muscle insertions, reposition the mucosa, and increase the area chapeável, giving more stability to the prosthesis. Among the techniques to deepen the vestibule are submucosal vestibuloplasties by secondary epithelialization and with mucosal and skin grafts. We will discuss vestibuloplasty by secondary epithelialization with emphasis on the so-called modified Kazanjian technique. This technique provides an appropriate result and does not require hospitalization, additional surgery at the donor, or prolonged periods without the use of prosthesis. © 2013 by Mutaz B. Habal, MD.
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Because of the functional and esthetic requirements of patients, different techniques have been proposed to reduce the time between dental implant placement and interim restoration fabrication. This article describes a modified indexing technique by using a surgical template for open-tray impression and definitive cast development during immediate loading procedures. This technique does not use a complete impression of the oral cavity and, therefore, is more comfortable, less time consuming, and less expensive. It also allows the fabrication of interim restorations with the optimal shape for developing an adequate emergence profile.
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This paper describes the drawing, construction and optimization of a device, which can be used to obtain single crystals of different metallic materials with melting point from 550 to 1050°C. Components of ease obtaining and of low cost were used. The device was based on the modified Bridgman technique and it was used to obtain single crystals of copper-based alloys. The temperature axial profiles and a difference less then 1% in the temperature between the wall and the center of the ceramic tube in the critical region for obtaining single crystals of good quality indicated that the oven presents a good thermal stability. Single crystals of CuZnAl and CuAlAg alloys of good quality were growth and characterized using optical microscopy and Laüe X-ray back reflection.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Este estudo teve por escopo comparar a influência do nó de sutura em três diferentes localizações na recuperação morfofuncional do tendão flexor digital profundo (TFDP) do cão. Foram utilizados 20 cães divididos em três grupos de oito, sete e cinco animais. Os TFDP do segundo e quinto dedos do membro torácico esquerdo foram seccionados e suturados pela técnica de Kessler modificada, alterando-se a localização do nó e o tipo de sutura no epitendíneo. No grupo um, o nó da sutura ficou localizado na região ventral do tendão e no grupo dois na face dorsal. em ambos os grupos, o epitendão foi suturado com pontos simples separados. No grupo três, o nó da sutura ficou interno ao endotendíneo e o epitendíneo foi suturado com ponto simples contínuo. Após a cirurgia, foi realizada diariamente a movimentação passiva controlada do membro do primeiro ao 15º dia. No 7º e no 15º dia os animais foram sacrificados por anestesia profunda e os tendões foram colhidos para avaliação macroscópica do processo de reparo tendíneo. O critério de comparação utilizou como parâmetros para avaliar a recuperação morfofuncional a ruptura do tendão, o afastamento dos cotos e a coaptação completa dos cotos tendíneos. O grupo que apresentou melhor resultado com relação aos parâmetros avaliados foi o terceiro, com ausência de ruptura e índice de afastamento de apenas 2,5% dos cotos tendíneos. Os resultados encontrados permitem concluir que a localização do nó de sutura na tenorrafia do TFDP interfere na resposta reparadora e biomecânica.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Medicina Veterinária - FMVZ
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Pós-graduação em Odontologia - FOAR
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Odontologia - FOA
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A previous communication [1] described the preparation of the double selenates of lanthanum and the alkali metals; the La-Li compound has the formula La2(SeO4)3 · Li2SeO4 · 8H2O. Subsequent reports [2-4] have shown that it was not possible to prepare the Ce-Li, Pr-Li, Nd-Li and Sm-Li double selenates, using the same method [1]. It was possible to isolate the double selenates of all the cerie group lanthanides and lithium not previously described and, also, a La-Li double selenate having a different stoichiometry, using a modified preparation technique. © 1990.
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Pós-graduação em Saúde Coletiva - FMB