Relationship between thin-film bond strength as measured by a scratch test, and indentation hardness for bonding agents

Nov 23, 2017 by in Dental Materials Comments Off on Relationship between thin-film bond strength as measured by a scratch test, and indentation hardness for bonding agents

Abstract Objectives To evaluate thin-film bond strength between a bonding agent and human dentin, using a scratch test, and the characteristics and accuracy of measurement. Methods One-step bonding agents (BeautiBond;…

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Template assisted surface microstructuring of flowable dental composites and its effect on microbial adhesion properties

Nov 23, 2017 by in Dental Materials Comments Off on Template assisted surface microstructuring of flowable dental composites and its effect on microbial adhesion properties

Abstract Objectives Despite their various advantages, such as good esthetic properties, absence of mercury and adhesive bonding to teeth, modern dental composites still have some drawbacks, e.g., a relatively high…

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Fracture-resistant monolithic dental crowns

Nov 23, 2017 by in Dental Materials Comments Off on Fracture-resistant monolithic dental crowns

Highlights • Capacity of crown restorations to sustain high bite force has been measured on manufactured, anatomically-correct specimens for three classes of monolithic materials. • Extended finite element modeling has…

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Use of crosslinkers to inactivate dentin MMPs

Nov 23, 2017 by in Dental Materials Comments Off on Use of crosslinkers to inactivate dentin MMPs

Abstract Objectives This study evaluated the endogenous matrix metalloproteinase (MMP) activity of demineralized dentin matrix following 1 or 5 min pretreatment by various collagen crosslinkers. Generic MMP activity assay, total…

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Hydrothermal degradation of a 3Y-TZP translucent dental ceramic: A comparison of numerical predictions with experimental data after 2 years of aging

Nov 23, 2017 by in Dental Materials Comments Off on Hydrothermal degradation of a 3Y-TZP translucent dental ceramic: A comparison of numerical predictions with experimental data after 2 years of aging

Highlights • Grinding increases the ceramic’s resistance towards ageing at the subsurface. • The activation energies compares well with previous reported values. • After aging at 37 °C, predicted and…

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Comparison of resin bonding improvements to zirconia between one-bottle universal adhesives and tribochemical silica coating, which is better?

Nov 23, 2017 by in Dental Materials Comments Off on Comparison of resin bonding improvements to zirconia between one-bottle universal adhesives and tribochemical silica coating, which is better?

Graphical abstract Highlights • MDP containing universal adhesive alone provides effective chemical bonding to Y-TZP. • Silica coating + silanization provided higher hydrolytic stability than applying MDP. Abstract Objectives To…

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Correlation between polymerization shrinkage stress and C-factor depends upon cavity compliance

Nov 23, 2017 by in Dental Materials Comments Off on Correlation between polymerization shrinkage stress and C-factor depends upon cavity compliance

Abstract Objectives The literature reports inconsistent results regarding using configuration factor (C-factor) as an indicator to reflect the generation of polymerization shrinkage stress (PS) from dental restorative composites due to…

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