1000 resultados para Procedimento de Manobra de Rosing


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O modelo misto consiste numa importante classe de modelos que tem sido tradicionalmente analisada por meio de procedimentos da análise de variância. Nos modelos mistos, três aspectos são fundamentais: estimação e testes de hipóteses dos efeitos fixos, predição dos efeitos aleatórios e estimação dos componentes de variância. Na análise de modelos lineares mistos desbalanceados, a estimação dos componentes de variância é de fundamental importância e depende da estrutura de covariâncias e dos métodos de estimação utilizados. Nesse contexto, este artigo pretende apresentar os principais métodos de estimação e de análise utilizados no estudo de modelos lineares mistos com estruturas gerais de covariâncias nos efeitos aleatórios, disponíveis no procedimento MIXED, do SAS (Statistical Analysis System).

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Objective: the current study aims at following up radiographically the evolution of the midpalatal suture during the expansion procedure since the opening of the suture until bone formation. Methods: the sample comprised 38 patients in the mixed dentition stage submitted to the rapid palatal expansion protocol of the Hospital for Rehabilitation of Craniofacial Anomalies. Results: it was observed an individual variation on the period of bone ossification of the midpalatal suture, which justifies the radiographic follow-up as determinant for the appliance removal. Due to long-term post-treatment stability, the expander should be removed after the new suture is completely formed. Conclusions: the findings show that it is necessary more than three months for the complete reorganization of the midpalatal suture during the passive phase of the rapid palatal expansion.

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Our aim is to present a modification in patient placement on surgical table for the treatment of prolapsed hemorrhoids by using PPH technique. We propose a modified jackknife position for PPH procedure where the surgeon stays between patient's legs. The modified jackknife position may provide better surgical field with better view of the dentate line which facilitates pursestring confection. In Brazil, the majority of the surgeons prefer lithotomic position for PPH technique based on Longo's first reports. In our opinion, modified jackknife position provides both better surgical field for pursestring placement and better view of the staple line after PPH firing.

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Objective: To verify the cleaning of the apical foramen and apical extrusion of dentin chips in single-rooted teeth instrumented with two techniques, one of which including the apical patency procedure. Method: Thirty teeth were internally stained with Indian ink, divided in two groups, of which only group I was subjected to apical patency. The dentin chips extruded through the apical foramen were collected in a glass receptacle and quantified. The apical foramen region was divided in quadrants and analyzed with a stereomicroscope to verify the action of the instrument on the cemental canal walls. The teeth were scored 0 4 according to the number of clean walls (without Indian ink), 0 corresponding to no clean wall. Results: In group I, there was no dentin plug, but only 1 tooth was scored 4. In group II, 10 teeth presented dentin plug and all of them were scored 0. There was no statistically significant difference between groups I and II regarding the extruded dentin mass (Scheffé test; p<0.05). Conclusion: The use of the apical patency procedure in single-rooted teeth does not modify the amount of dentin chips extruded through the apical foramen, does not produce an adequate cleaning of the cemental canal walls, but remove the plug of dentin chips from the cemental canal.

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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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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Engenharia Civil - FEIS

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)