Mário Honorato Silva e Souza

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External cervical root resorption is one of the disadvantages of the bleaching procedure. There are several mechanisms that may be responsible for causing resorption, such as the chemical and physical action of the utilized materials and the morphology of the cementoenamel junction. The purpose of this study was to investigate the presence of a(More)
OBJECTIVE The purpose of this study was to determine the cohesive microtensile strength of four polyacid-modified resin composites (PAMRC: Dyract, Dyract AP, Freedom and F2000) after 24h and 6 months of storage in water using the microtensile technique. METHODS Blocks measuring 1.5 cm x 1.5 cm x 1.0 cm were constructed incrementally for each material(More)
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