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Shrinkage stress of three composites under different polymerization methods
Composite resins Dental stress analysis Physical and chemical properties
2009/10/19
The aim of this study was to evaluate the shrinkage stress of three composites under different polymerization methods: halogen conventional polymerization (G1), halogen "soft-start" polymerization (G2...
Stress analysis on the free-end distal extension of an implant-supported mandibular complete denture
Dental occlusion Dental implantation Biomechanics
2009/10/16
A comparative and qualitative analysis of the tensions generated in the cantilever region of an implant-supported mandibular complete denture was conducted using the three-dimensional finite element m...
Mode Superposition Transient Dynamic Analysis for Dental Implants with Stress-absorbing Elements:A Finite Element Analysis
Transient dynamic analysis Dental implants Damping
2009/9/14
The purpose of this study was to analyze the dynamic behavior of a dental implant with a stress-absorbing element, using dynamic analysis. Two model types, stress-absorbing model with a resilient stre...
Influence of Molecular Weight of PMMA in PMMA/ MMA-TBB Resin on Durability of Adhesion to Titanium against Thermal Stress in Water
Metal bonding Molecular weight of PMMA Durability
2009/9/14
The present study examined the effect of the molecular weight of poly (methyl methacrylate) (PMMA) used in PMMA/ MMA-tributylborane (TBB) resin cement on the durability of adhesion to titanium against...
Stress Analysis of Endodontically Treated Anterior Teeth Restored with Different Types of Post Material
Finite element analysis Post and core Fiber-reinforced composite All-ceramic crown
2009/9/14
Finite element analysis was performed to evaluate stress distribution in maxillary central incisors treated endodontically and restored with a post and an all-ceramic crown. Tensile stress at tooth ro...
Stress Analysis of Clasps Made of Glass Fiber-reinforced Composite Material Using Three-dimensional Finite Element Method: Influence of Shape in Cross and Longitudinal Sections of Circumferential Clasp Arms
Glass fiber-reinforced composite Clasp arm shape Finite element method
2009/9/14
The purpose of this study was to investigate the effects of different cross-sectional shapes and presence of taper on stress distribution in clasp arms made of glass fiber-reinforced composite (FRC) m...
The Effect of Thermal Stress on Bonding Durability of Resin Composite Adaptation to the Cavity Wall
Thermal stress Bond durability Adaptation
2009/9/14
This study evaluated the effect of thermal stress on marginal sealing and cavity wall adaptation using two adhesive systems. Cylindrical cavities were prepared in superficial dentin of bovine incisors...
Finite Element Stress Analysis of Indirect Restorations Prepared in Cavity Bases
Finite element analysis Indirect restoration Cavity base
2009/9/14
The objective of this study was to analyze the distribution of tensile stresses in indirect restorations prepared in several composite cavity bases. Elastic moduli of 20 materials were measured by nan...
Nonlinear Stress Analysis of Titanium Implants by Finite Element Method
Finite element method Titanium implant Nonlinear stress analysis
2009/9/11
With use of dental implants on the rise, there is also a tandem increase in the number of implant fracture reports. To the end of investigating the stress occurring in implants, elasticity and plastic...
Influence of Layer Thickness on Stress Distribution in Ceramic-Cement-Dentin Multilayer Systems
All-ceramic FEA Cement
2009/9/11
The effects of dentin and cement thicknesses on stress level and distribution of crack propagation in ceramic-cement-dentin multilayer complex were analyzed. Custom-designed finite element analysis pr...
Stress Distribution in Roots Restored with Different Types of Post Systems with Composite Resin
Nonlinear finite element analysis Young's modulus Von Mises stress
2009/9/11
Although composite resin core is used with various types of prefabricated posts, it remains unclear which kind of material is most suitable for the post. The aim of this study was to evaluate the infl...
Finite Element Stress Analysis of Short-post Core and Over Restorations Prepared with Different Restorative Materials
Finite element analysis Short-post core Caries
2009/9/11
The present study was conducted to determine the effect on the distribution of stress with the use of short-post cores and over restorations composed of different materials. The restorative materials ...
Investigation of Stress Distribution in Roots Restored with Different Crown Materials and Luting Agents
Nonlinear finite element analysis Young′s modulus Von Mises stress
2009/9/11
The purpose of this study was to identify crown materials and luting agents that would decrease the stress concentrated at the roots of endodontically treated teeth. To this end, natural tooth model (...
Three-dimensional Finite Element Analysis of Stress Distribution in Composite Resin Cores with Fiber Posts of Varying Diameters
Finite element analysis Composite resin core with fiber post Fiber post diameter
2009/9/11
Using three-dimensional finite element analysis (3D-FEA), stress distributions in the remaining radicular tooth structure were investigated under the condition of varying diameters of fiber post for f...
Photoelastic stress analysis of different post and core restoration methods
Photoelastic Post and core Fiber post
2009/9/11
The aim of this study was to compare three types of post and core systems by analyzing the stress magnitude within the root. To this end, two-dimensional photoelastic simulation models of endodontical...