Marta Costa, S. Neves, Joana Carvalho, S. Arantes-Oliveira, S. Félix
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In Vitro Comparative Study of Microhardness and Flexural Strength of Acrylic Resins Used in Removable Dentures
Polymethylmethacrylate is the material of choice for prosthetic bases. Depending on the type of polymerization, acrylic resins may present some mechanical weaknesses that may lead to the failure of a prosthesis. The microhardness and flexural strength of a dental material determine its applicability. The objective of the present investigation was to evaluate the in vitro Knoop microhardness and flexural strength of a thermopolymerizable (Probase Hot) and an autopolymerizable (Probase Cold) resin, according to ISO 20759-1: 2013.
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