Abstract Objective The aim of this investigation was to determine the effect of an experimental liquid rubber (LR) toughening agent on fracture toughness, crosslink density and Barcol hardness of polymerized…
Abstract Objective One of the limitations of resin cements and flowable dental composites is their poor mechanical properties such as low flexural strength and fracture resistance under body conditions. The…
Abstract Objective To investigate the effect of irradiance through choice of LED light-curing unit (LCU) and fiber-optic tip on the mechanical properties of methacrylate resin-based composites (RBCs). Methods Rectangular bar-shaped…
Abstract Objectives This investigation evaluated the flexural properties of two composite resins, and the influence of unidirectional glass fiber reinforcements, with and without pre-tensioning. Methods Two composite resins (Q: Quixfil…
Abstract Objective This study aims to validate a cavity shape optimization approach for improving the debonding resistance of dental restorations by carrying out fracture tests on restored model teeth with…
Abstract Objective The objective of this study was to test the null hypothesis that the interfacial toughness of each of two types of bonded core-veneer bilayer ceramics is not significantly…
Objectives : To evaluate the bond strength of conventional and self-adhesive resin cements to a yttrium-oxide-stabilized polycrystalline tetragonal zirconia ceramic (YTZP) considering 3 factors ( cement in 4 levels [Panavia…
Objectives : The Rocatec system conditions the bonding surface by fusing a unique silica layer onto the surface. The purpose of this study is to determine the effect of Rocatec…
Objectives : It is necessary to understand curing process of luting cements to achieve successful cementation of indirect dental restoration. In this study, curing process of three different kinds of…
Objectives : The pursuit of an optimized adhesive interface with indirect restorative materials continues. This study evaluated the shear bond strength of adhesive interfaces created with ResiCem (Shofu Inc., Kyoto,…
Objective : The overall goal of this research was to chemically modify the surface of zirconia dental ceramics with a Si x O y seed layer to increase adhesive bonding…
Objectives : The free radical concentrations of resin materials do not only compromise the material polymerization properties but also may impact its overall biocompatibility due to higher concentrations of residual…
Objectives: Although air-particle abrasion delivers advantages for improved adhesive strength of resin cements to yttria-stabilized tetragonal-zirconia-polycrystalline (zirconia), it is not widely studied whether this process impairs the mechanical properties of…
Objectives : Denture soft liner materials are known to harden during clinical use. This study evaluated hardness changes in a variety of commercial soft liner products during long-term water storage….
Objectives : Proper cementation protocol is critical to the success of indirect restorations. Recommendation in materials and techniques however vary by manufacturer. The purpose of this study was to study…
Objectives : The objective of this study was to compare the Weibull parameters (characteristic strength, σ 0 , and Weibull modulus, m ) and slow cracking growth (SCG) parameters (stress…
Objectives : To describe one method for the three-dimensional finite element modeling of dental implant by combining micro-CT technique and Mimics software. Materials and methods : One dental titanium implant…
Objectives : The purpose of this study was to histomorphometrically compare a noncoated threaded zirconia implant vs. a noncoated threaded titanium implant in a rabbit model. The study tested the…
Objectives : To evaluate the strength degradation of five ceramics (yttria stabilized zirconia, YZ; alumina polycrystal, AL; glass-infiltrated alumina–zirconia, ICZ; and porcelains VM7 and VM9, all from Vita) after in…
Objectives : Repeated exposure to cyclic temperatures can result in change of bond strength. The purpose of this study is to determine the difference in shear bond strengths between a…