Casting

Darvell, B.W.

doi:10.1016/b978-0-08-101035-8.50018-3

Cited by 2 publications

(1 citation statement)

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“…This study evaluated the flexural mechanical properties of 23 FRBC restorative materials, which included five self-adhesive FRBC materials. Flexural strength testing via transverse loading is considered to be a useful in vitro test as tensile, compressive, and shear forces are thought to be generated during the test 62,63) , and the modulus of elasticity may be estimated from the slope of the stress-strain curve in the elastic deformation region 64) . However, results should be tempered considering that simple axial loading does not replicate complex intraoral forces and applied forces may not be internally distributed homogenously due to internal flaws and porosity 62,65) .…”

Section: Discussionmentioning

confidence: 99%

12-Month flexural mechanical properties of conventional and self-adhesive flowable resin composite materials

Brewster¹,

Roberts

2023

Dent. Mater. J.

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The aim of this study was to investigate the 12-month flexural mechanical properties of 23 flowable resin-based composites (FRBC) that included 5 self-adhesive FRBC materials. Specimens were evaluated following ISO 4049:2019 guidelines, but additionally stored in physiologic 0.2M phosphate buffered saline solution being tested at 24 h, 1 week, 1 month, and at 3-, 6-, 9-, and 12-months. While some deviation and degradation were noted at testing intervals, conventional FRBC materials overall demonstrated greater flexural strength than the self-adhesive and compomer materials. Three self-adhesive materials and the compomer were below recommended ISO 4049:2019 flexural strength values at 24 h with another after 6 months storage. Conventional FRBC materials, except at 1 month, overall demonstrated increased flexural modulus than the self-adhesive FRBC materials. Although results were material dependent, conventional FRBC materials demonstrated overall greater flexural mechanical properties as compared to the self-adhesive FRBC materials and the compomer evaluated.

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