Abstract:Introduction: Composite resins are materials that have in their organic matrix different components that can change their initial state after the expiration date established by the manufacturer. Objective: to evaluate in vitro the possible color change of two composite resins used during and after the period of validity. For this, composite resins LLis color A1 and A2 will be selected, inside and outside the shelf life. Methods: For each resin (4 groups) were made ten discs (n = 10), of 5mm x 2mm. The analyzes… Show more
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