Wax Teeth and Metallic Superstructure Trials at the Same Session: Simplified Technique for Implant-Supported Prosthesis

This clinical report describes a method to reduce the number of clinical sessions for the rehabilitation of implant-supported fixed dentures through a simplified and versatile procedure indicated mainly for immediate loading. According to this method, the immediate implant-supported fixed dentures for edentulous patients can be safely fabricated within 2 days. In this technique, the teeth in...
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Importância dos Procedimentos Periodontais Prévios à Radioterapia em Região de Cabeça e Pescoço

O tratamento radioterápico em cabeça e pescoço traz inúmeras seqüelas ao paciente irradiado. Considerando-se a fundamental importância da adequação do meio bucal e da conscientização do paciente previamente à realização de radioterapia, esse artigo tem como propósito relatar um caso clínico em que se optou pela manutenção dos elementos dentais remanescentes, realizando-se...
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Histomorphometric analysis and immunolocalization of RANKL and OPG during the alveolar healing process in female ovariectomized rats treated with oestrogen or raloxifene

Objective: To investigate the effects of bone-resorption inhibitors (oestrogen and raloxifene) on the RANKL/OPG balance during the chronology of the alveolar healing process in ovariectomized (OVX) rats by means of immunocolocalization and histomorphometric analysis. Materials and methods: One hundred sixty female Wistar rats at 70 days of age were either OVX or sham-operated and divided into...
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Osteocalcin immunolabeling during the alveolar healing process in ovariectomized rats treated with estrogen or raloxifene

The influence of an estrogen-deficient state was evaluated in this study and also its treatments with estrogen (E2) or with raloxifene (RLX) on the expression of osteocalcin during the periods of the chronology of the alveolar bone healing process (7, 14, 21, 28 and 42 post-extraction days) by means of immunohistochemistry reactions and histomorphometric analysis. Rats (200–220 g) with oestrus...
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Complicações estéticas nas reabilitações implantossuportadas

A nova era de reabilitação oral foi introduzida em 1965 pelo prof. Brånemark e sua equipe, que, em 1981, comprovaram o sucesso e a previsibilidade da osseointegração com base em um acompanhamento clínico longitudinal de quinze anos (ADELL et al., 1981). A proposta inicial da utilização dos implantes dentais visava à reabilitação de pacientes mandibulares edêntulos, tendo como objetivo...
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Evaluation of Immediate Bone-Cell Viability and of Drill Wear After Implant Osteotomies: Immunohistochemistry and Scanning Electron Microscopy Analysis

Purpose: This study sought to evaluate the effect of repeated implant drilling on the immediate bone-cell viability, and to evaluate drill wear by scanning electron microscopy. Materials and Methods: The tibiae of 10 rabbits were used, divided into 5 groups (G): G1 corresponded to new drills, and G2, G3, G4, and G5 corresponded to drills used 10, 20, 30, and 40 times, respectively. The animals...
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