Three-year follow up of customized glass fiber esthetic posts

Customized glass fiber posts that is well adjusted into the root canal and have mechanical properties similar to those of dentin may be a suitable treatment for severely compromised endodontically treated teeth. This article reports a 3-year follow up of severely damaged endodontically treated teeth restored with unidirectional fiber glass customized post and core system instead of a conventional fiber post. The fabrication of this glass fiber customized post is a simple technique, providing an increased volume of fibers into the root canal, and an adequate polymerization of the post-core system. Over a three-year period, the treatments demonstrated good clinical and radiographic characteristics, with no fracture or loss of the post and/or crown. This technique can be considered effective, less invasive, and suitable for restore endodontically treated teeth.

Fracture resistance of composite resin cores with or without prefabricated posts over different substrates

The fracture resistance of endodontically treated teeth has been an obstacle to the durability of the remaining teeth and restorations. The aim of this study was to evaluate the fracture resistance of endodontically treated bovine and human teeth that were restored with either prefabricated metal posts, glass fiber posts, or composite resin cores. Statistical analysis revealed significant difference between different substrates, but there was no statistically significant difference between different types of intraradicular posts or in the interaction between substrate and post types. The intraradicular posts do not increase the fracture resistance of endodontically treated teeth. The metal posts presented more unfavorable fracture modes when compared to glass fiber posts and composite resin cores.

Fracture resistance of bovine incisors restored with different glass fiber posts: Effect of the diameter of fiber post

Aim: Compare the effect of three post designs on the fracture resistance and failure modes of composite core-fiber post-crownless tooth sets. Materials and Methods: Ninety bovine incisors were selected and divided into nine groups of 10 specimens. The teeth were assigned to three groups based on the post design: Cylindrical, tapered, and double-tapered. Each group was subdivided into three subgroups in accordance with the diameter of the post: Small (No.1), medium (No.2), and large (No.3). The Panavia F system was used for post cementation. The specimens were mounted in acrylic resin blocks with a layer of silicone rubber covering the roots. A universal testing machine compressively loaded the specimens from the palatal side at a crosshead speed of 1 mm/min and at an angle of 135I to the long axis of the teeth, until failure occurred. The failure mode was determined by a stereomicroscope inspection of all the specimens. Data were analyzed by one-way ANOVA and the Tukey test (P < 0.05). Results: The fracture resistance was affected by the type of post (P < 0.0001). A narrower diameter for all of the post systems allowed for higher resistance. The main failure mode in the large cylindrical group was catastrophic fractures, while the main failures in the other eight groups were favorable. Conclusion: Narrower diameter posts showed higher fracture resistance. The dominant failure pattern was repairable fracture, except for those with large cylindrical groups.

Blog diários: reflexões sobre a identidade indígena na virtualidade

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Storytelling do blog Me leva Brasil: desdobramento de conteúdo midiático da TV, interação com o telespectador e propaganda

Pós-graduação em Comunicação - FAAC

O blog de Miriam Leitão e a linguagem do jornalismo econômico

Pós-graduação em Comunicação - FAAC

O uso do blog em uma escola pública municipal como ferramenta de acesso à realidade escolar: espaço de reflexão à gestão escolar

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

O ensino da capoeira na educação física escolar: blog como apoio pedagógico

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

O leitor de blog: um estudo com base nos blogs mais acessados do Brasil

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Blog educacional para o ensino das danças folclóricas a partir do currículo de educação física do estado de São Paulo

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Evaluation of the Radiopacity of Esthetic Root Canal Posts

The radiopacity of esthetic root canal posts may impair the assessment of their fit to the root canal when using radiographic images. This study determined in vitro the radiographic density of esthetic root canal posts using digital images. Thirty-six roots of human maxillary canines were assigned to six groups (N = 6 per group): Reforpost (RP); Aestheti-Plus (AP); Reforpost MIX (RPM); D.T. Light Post (LP); Reforpost Radiopaque (RPR); and White Post DC (WP). Standardized digital images of the posts were obtained in different conditions: outside the root canal, inside the canal before and after cementation using luting material, and with a tissue simulator. Analysis of variance was used to compare the radiopacity mean values among the posts outside the root canal and among the posts under the other conditions, and the t unpaired test to compare the radiopacity between the posts and the dentin, and between the posts and the root canal space. There was no statistically significant difference in radiopacity between RP and RPM, and LP and WP. AP posts showed radiopacity values significantly lower than those for dentin. No statistically significant difference was found between posts (RP and AP) and the root canal space. A statistically significant difference was observed between the luted and non-luted posts; additionally, luted posts with and without tissue simulator showed no significant differences. Most of the cement-luted posts analyzed in this study were distinguishable from the density of adjacent dentin surfaces, allowing radiographic confirmation of the fit of the post in the canal.Clinical SignificanceThe success of using esthetic root canal posts depends mainly on the fit of the post within the canal.[1] The radiopacity of a post allows for radiographic imaging to be used to determine the fit, an important factor in a clinical perspective.

Recursos audiovisuais na educação: desenvolvimento do Blog do projeto Te Vejo na Escola

Há quatro anos o projeto Te Vejo na Escola que pesquisa e desenvolve recursos audiovisuais relacionados à conservação ambiental e outros temas transversais na educação formal, visando despertar o espírito de cidadania nos alunos do ensino infantil e fundamental. Acreditando nessa premissa deste projeto experimental pretende-se consolidar uma plataforma de compartilhamento – em forma de blog - desses materiais para ter como objetivo a ampliação da abrangência do mesmo atendendo a demanda dos educadores dentro de sala de aula

Blog Pop com Farofa: cultura e gastronomia

Gastronomy is art. Perhaps the most popular of all, because there is always an achievement for all culinary tastes. In the search for a journalistic product that show the gastronomy not only with recipes and restaurant guides exponents, the creation of the blog - Pop With Farofa - seeks to bring to the newspaper market the gastronomy in its most popular and accessible art. The experimental design reported here seeks to relate the food editor with the culture, revealing to the public and the food is present in various cultura genres

Blog corporativo como ferramenta da Intranet

This project aimed at discussing about the possibility of transforming a corporate blog into an Intranet tool. The objective is to make the internal communication more interactive by bringing the employee closer to the organization through conversing in a less formal environment. In the first series of discussions, issues such as how the organizational communication works as a whole, which communications vehicles are normally used to reach the target group and the role of public relations in the organizational communication, were conducted aiming the discussion around the internal communication and the personnel, one of the objectives of this paper. Following these discussions, the focal points was around digital communication and its possibilities in the organization, as well as talking about and discussing the blog and the Intranet. Finally a theoretical discussion was conducted concerning the possibilities of turning this corporate blog into an Intranet tool and the reasons why public relations should manage this new communications tool