165 resultados para Class I


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Gingival recession has a high prevalence in the population. This alteration may promote several complications such as cervical dentinal hypersensitivity (HSDC), carious and non-carious cervical lesions, and cosmetic changes due to the increase of the clinical crown length. To treat HSDC there are several therapeutic possibilities that should aim to eliminate pain after external stimulus. Treatment of this alteration can be performed by a conventional or invasive procedure, depending on the clinical condition and patients' desires. In situations where aesthetics is not the main complaint and HSDC persists even after conservative procedures, it is possible to indicate a procedure to achieve root coverage in Miller's Class I and II recessions. The aim of this paper is to report a case where the HSDC was not eliminated by conventional methods, which was resolved only after performing a minimally invasive surgery that promoted total root coverage.

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Gingival recession lesions are characterized by apical migration of gingival margin with consequent exposure of the root surface, which constitutes an aesthetic problem for the patient. Several surgical techniques have been used for the root coverage, and the technique of subepithelial connective gingival graft has greater predictability of root coverage and best aesthetic results with fewer postoperative side effects in relation to the epithelial free gingival graft. The goal of this case repot is to describe the technique of subepithelial connective tissue graft and demonstrates its result in a coverage Miller class I root recessions. After two years we can see excellent root coverage with significant aesthetic improvement of the case. The free subepithelial connective tissue graft technique was effective in coverage Miller class I root recession presented in this clinical case.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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HLA-E is a non-classical Human Leucocyte Antigen class I gene with immunomodulatory properties. Whereas HLA-E expression usually occurs at low levels, it is widely distributed amongst human tissues, has the ability to bind self and non-self antigens and to interact with NK cells and T lymphocytes, being important for immunosurveillance and also for fighting against infections. HLA-E is usually the most conserved locus among all class I genes. However, most of the previous studies evaluating HLA-E variability sequenced only a few exons or genotyped known polymorphisms. Here we report a strategy to evaluate HLA-E variability by next-generation sequencing (NGS) that might be used to other HLA loci and present the HLA-E haplotype diversity considering the segment encoding the entire HLA-E mRNA (including 5'UTR, introns and the 3'UTR) in two African population samples, Susu from Guinea-Conakry and Lobi from Burkina Faso. Our results indicate that (a) the HLA-E gene is indeed conserved, encoding mainly two different protein molecules; (b) Africans do present several unknown HLA-E alleles presenting synonymous mutations; (c) the HLA-E 3'UTR is quite polymorphic and (d) haplotypes in the HLA-E 3'UTR are in close association with HLA-E coding alleles. NGS has proved to be an important tool on data generation for future studies evaluating variability in non-classical MHC genes.

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Nasal obstruction (NO) is a common symptom present in 25% of the general population, which significantly interferes with the quality of life. The different facial profiles and malocclusion patterns could be associated with the degree of NO. In order to evaluate the nasal function in patients with different facial morphology patterns, the authors developed a prospective study in which 88 patients from a dentofacial deformities center were included. These patients were submitted to fibrorhinoscopy (Mashida, ENT PIII) with a 3.2-mm cannula under topical anesthesia to evaluate septal deviation, inferior and medium turbinates, and pharyngeal tonsils. The 88 patients included in the study were divided into 3 groups according to the classification of the facial profile, distributed as follows: 32 class I, 28 class II, and 28 class III; the data collected was statistically analyzed by analysis of variance and the results are shown. The patients included in this study presented similar prevalence of NO with the reduction of airway function efficiency. Although it was not a statistically different, the group II presented higher mean Nasal Obstruction Syndrome Evaluation scores.

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Pós-graduação em Ciências Biológicas (Genética) - IBB

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Patologia - FMB