Mechanical Properties of Dental Composites Modified with Liquid Rubber and Their Effect on Stress Distribution in Fillings

Monika Sowa, Leszek Borkowski, Krzysztof Pałka · 2025

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Description

Monika Sowa, Leszek Borkowski, and Krzysztof Pałka test whether adding liquid rubber to dental filling materials makes them tougher. Fillings made from resin composites restore teeth well but can crack too easily, which shortens their life. The team modified two kinds of composite, a runny flow type and a classic paste, with five percent liquid rubber. They measured bending strength, stiffness, and crack resistance, and modeled stress inside model fillings.

The rubber raised crack resistance in both materials. It also lowered bending strength and stiffness, a trade-off the authors report plainly. Computer modeling showed the modified fillings spread stress more kindly, with peak pulling stress around twenty units against twenty-five for the classic material. The team also identified how the cracks form and how the rubber blunts them. They conclude the tweak could help fillings last, at some cost in strength.

Catalog record

CREATORMonika Sowa, Leszek Borkowski, Krzysztof Pałka
YEAR2025
COLLECTIONPAPERS
FORMATTXT
FILE SIZE37 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC12735164

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