Marta Costa's research works

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In Vitro Comparative Study of Microhardness and Flexural Strength of Acrylic Resins Used in Removable Dentures

July 2021

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2 Citations

Medical Sciences Forum

[...]

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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... It has been estimated that a considerable proportion, ranging from 22% to 30% of repairs for dentures, are associated with the detachment of teeth, primarily in the anterior region. This phenomenon can be attributed to the limited availability of ridge lap surface areas for bonding purposes and the specific orientation of the stresses experienced during functional activities [3]. ...
Reference:
Effect of Different Chemical Surface Treatments on the Shear Bond Strength of Acrylic Teeth With Different High-Impact Denture Base Resins

In Vitro Comparative Study of Microhardness and Flexural Strength of Acrylic Resins Used in Removable Dentures

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July 2021

Medical Sciences Forum

[...]

Marta Costa’s scientific contributions

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