Two regression methods for estimation of a two-parameter Weibull distribution for reliability of dental materials

Nov 23, 2017 by in Dental Materials Comments Off on Two regression methods for estimation of a two-parameter Weibull distribution for reliability of dental materials

Abstract Objectives Comparison of estimation of the two-parameter Weibull distribution by two least squares (LS) methods with interchanged axes. Investigation of the influence of plotting positions and sample size. Derivation…

read more

Effect of the irradiance distribution from light curing units on the local micro-hardness of the surface of dental resins

Nov 23, 2017 by in Dental Materials Comments Off on Effect of the irradiance distribution from light curing units on the local micro-hardness of the surface of dental resins

Highlights • Each light curing unit has an individual irradiance distribution. • The surface hardness map corresponds directly to the irradiance distribution. • Longer exposure times lift the hardness pattern…

read more

Two regression methods for estimation of a two-parameter Weibull distribution for reliability of dental materials

Nov 23, 2017 by in Dental Materials Comments Off on Two regression methods for estimation of a two-parameter Weibull distribution for reliability of dental materials

Abstract Objectives Comparison of estimation of the two-parameter Weibull distribution by two least squares (LS) methods with interchanged axes. Investigation of the influence of plotting positions and sample size. Derivation…

read more

Influence of ultraviolet photofunctionalization on the surface characteristics of zirconia-based dental implant materials

Nov 23, 2017 by in Dental Materials Comments Off on Influence of ultraviolet photofunctionalization on the surface characteristics of zirconia-based dental implant materials

Abstract Objectives To examine the effect of ultraviolet light (UV) treatment on the surface characteristics of two acid-etched zirconia-based dental implant materials. Methods Discs of two zirconia-based materials (Zr1 and…

read more

Mechanical properties, surface morphology and stability of a modified commercially pure high strength titanium alloy for dental implants

Nov 23, 2017 by in Dental Materials Comments Off on Mechanical properties, surface morphology and stability of a modified commercially pure high strength titanium alloy for dental implants

Abstract Objective Commercially pure titanium (cp Ti) and Ti–6Al–4V (Ti G5) alloy have limitations for biomedical application, due to lower mechanical strength and the possibility of ion release, respectively. The…

read more

Bond strength of restorative materials to hydroxyapatite inserts and dimensional changes of insert-containing restorations during polymerization

Nov 23, 2017 by in Dental Materials Comments Off on Bond strength of restorative materials to hydroxyapatite inserts and dimensional changes of insert-containing restorations during polymerization

Highlights • HAP inserts reduced polymerization shrinkage of the insert-containing restorations. • ‘Total-etch’ approach is recommended for adhesive bonding of composites to HAP. • Micromechanical interlocking is the major adhesion…

read more

Dynamic mechanical thermal properties of the dental light-cured nanohybrid composite Kalore, GC: Effect of various food/oral simulating liquids

Nov 23, 2017 by in Dental Materials Comments Off on Dynamic mechanical thermal properties of the dental light-cured nanohybrid composite Kalore, GC: Effect of various food/oral simulating liquids

Abstract Objective The aim of this work is the study of the dynamic mechanical thermal properties (viscoelastic properties) of a current dental commercial light-cured nanohybrid resin composite, Kalore, GC (GC…

read more

Effect of long-term storage on nanomechanical and morphological properties of dentin–adhesive interfaces

Nov 23, 2017 by in Dental Materials Comments Off on Effect of long-term storage on nanomechanical and morphological properties of dentin–adhesive interfaces

Abstract Introduction To evaluate the influence of storage time on the elastic modulus, micromorphology, nanoleakage, and micromechanical behavior of the dentin–adhesive interfaces of five adhesive systems (Scotchbond Multi-Purpose, Clearfil SE…

read more

Cytotoxicity and terminal differentiation of human oral keratinocyte by indium ions from a silver–palladium–gold–indium dental alloy

Nov 23, 2017 by in Dental Materials Comments Off on Cytotoxicity and terminal differentiation of human oral keratinocyte by indium ions from a silver–palladium–gold–indium dental alloy

Highlights • In ions were released from the Ag–Pd–Au–In alloy. • In ions resulted in cytotoxicity to oral keratinocytes. • Intracellular reactive oxygen species increased due to In ions. •…

read more

Effect of the irradiance distribution from light curing units on the local micro-hardness of the surface of dental resins

Nov 23, 2017 by in Dental Materials Comments Off on Effect of the irradiance distribution from light curing units on the local micro-hardness of the surface of dental resins

Highlights • Each light curing unit has an individual irradiance distribution. • The surface hardness map corresponds directly to the irradiance distribution. • Longer exposure times lift the hardness pattern…

read more
Premium Wordpress Themes by UFO Themes