Diffusion and concurrent solubility of self-adhering and new resin–matrix composites during water sorption/desorption cycles

Nov 28, 2017 by in Dental Materials Comments Off on Diffusion and concurrent solubility of self-adhering and new resin–matrix composites during water sorption/desorption cycles

Abstract Objectives To investigate the kinetic process of water diffusion and mass change in new resin–matrix composites during water sorption/desorption cycles. Methods Five new resin–matrix composites were investigated [Filtek ®…

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Round robin test: Wear of nine dental restorative materials in six different wear simulators – Supplement to the round robin test of 2005

Nov 28, 2017 by in Dental Materials Comments Off on Round robin test: Wear of nine dental restorative materials in six different wear simulators – Supplement to the round robin test of 2005

Abstract Objective The purpose of the present study was to submit the same materials that were tested in the round robin wear test of 2002/2003 to the Alabama wear method….

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The roughness, microhardness, and surface analysis of nanocomposites after application of topical fluoride gels

Nov 28, 2017 by in Dental Materials Comments Off on The roughness, microhardness, and surface analysis of nanocomposites after application of topical fluoride gels

Abstract Objectives Application of acidulated phosphate fluoride (APF) gels has long been considered to cause deterioration of composite surfaces. The aims of this study were to demonstrate that nanocomposite surfaces…

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Photoinitiator type and applicability of exposure reciprocity law in filled and unfilled photoactive resins

Nov 28, 2017 by in Dental Materials Comments Off on Photoinitiator type and applicability of exposure reciprocity law in filled and unfilled photoactive resins

Abstract Objectives To test the influence of photoinitiator type and filler particle inclusion on the validity of exposure reciprocity law. Materials and methods 50/50 wt% Bis-GMA/TEGDMA resins were prepared with…

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Clinical performance of a hybrid resin composite with and without an intermediate layer of flowable resin composite: A 7-year evaluation

Nov 28, 2017 by in Dental Materials Comments Off on Clinical performance of a hybrid resin composite with and without an intermediate layer of flowable resin composite: A 7-year evaluation

Abstract Objective The objective of this prospective clinical follow up was to evaluate the long term clinical performance of a hybrid resin composite in Class II restorations with and without…

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Spatially resolved assessments of composite shrinkage in MOD restorations using a digital-image-correlation technique

Nov 28, 2017 by in Dental Materials Comments Off on Spatially resolved assessments of composite shrinkage in MOD restorations using a digital-image-correlation technique

Abstract Objectives To analyze the influence of cavity geometry and lining materials in MOD composite restorations by characterizing the polymerization shrinkage and cusp deflection. Methods Eighty intact molars with similar…

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Can hygroscopic expansion compensate polymerization shrinkage? Part I. Deformation of restored teeth

Nov 28, 2017 by in Dental Materials Comments Off on Can hygroscopic expansion compensate polymerization shrinkage? Part I. Deformation of restored teeth

Abstract Objective Restorative materials exhibit contraction and expansion due to polymerization and water absorption. Each process deforms and stresses a restored tooth structure in opposite direction. This study evaluated the…

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Influence of material selection on the risk of inlay fracture during pre-cementation functional occlusal tapping

Nov 28, 2017 by in Dental Materials Comments Off on Influence of material selection on the risk of inlay fracture during pre-cementation functional occlusal tapping

Abstract Objective To evaluate in vitro the pre-cementation resistance of CAD/CAM inlays subjected to functional occlusal tapping. Methods An extracted tooth model (molar and premolar) with simulated bone and periodontal…

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