搜索结果: 1-14 共查到“口腔材料学 Thermal”相关记录14条 . 查询时间(0.335 秒)
Effect of Thermal Cycling on Microleakage of a Fissure Sealant Polymerized with Different Light Sources
Fissure sealant Thermal cycling Microleakage
2009/9/15
The purpose of this study was to examine the effect of thermal cycling on microleakage of a fissure sealant after it was bonded with different bonding agents and polymerized with different light curin...
Chemical, Morphological and Thermal Effects of 10.6-μm CO2 Laser on the Inhibition of Enamel Demineralization
FT-Raman spectroscopy SEM Cross-sectional microhardness
2009/9/14
Studies have shown that enamel can be modified by pulsed CO2 laser to form a more acid-resistant substrate. This study evaluated the effects of a 10.6-μm CO2 laser on enamel surface morphology and che...
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...
Effect of Thermal Misfit between Different Veneering Ceramics and Zirconia Frameworks on in vitro Fracture Load of Single Crowns
Zirconia Thermal misfit Fracture load
2009/9/14
Thermal misfit is deemed as one reason for the chipping of veneered zirconia restorations. Aim of the present study was to assess the effect of thermal misfit on the fracture load of veneered zirconia...
Effect of a New Thermal Cycling Method on Bond Strength of Two-step Self-etching Adhesive Systems
Two-step self-etching Microtensile bond strength Thermal cycling
2009/9/14
The purpose of this study was to examine the effect of a new thermal cycling method using PCR thermal cycler on the durability of two-step self-etching adhesive systems. Beam specimens for microtensil...
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...
Effects of Thermal Cycling on Surface Texture of Restorative Composite Materials
Thermal cycling Resin composite Surface texture
2009/9/14
The purpose of this study was to evaluate the effect of thermal cycling on the surface texture of restorative materials. Disk-shaped specimens made of seven resin composites (Beautifil: BF; Esthet-X: ...
Development of an Easy-debonding Orthodontic Adhesive using Thermal Heating
Debonding Orthodontic adhesive Microcapsules
2009/9/14
We produced experimentally a new bonding material that consisted of a mixture of a base resin (4-META/MMA-TBB resin adhesive) and thermoexpandable microcapsules for safe, easy debonding. Microcapsules...
Effects of mechanical and thermal aging on microleakage of different fissure sealants
Mechanical Loading Thermal Cycling Fissure Sealants
2009/9/14
The purpose of this study was to examine the microleakage of three different fissure sealants after they were aged by mechanical loading and thermocycling in vitro. To this end, a bonding agent (Prime...
Effect of Various Surface Conditioning Methods on the Adhesion of Dual-cure Resin Cement with MDP Functional Monomer to Zirconia after Thermal Aging
Surface conditioning Panavia F 2.0 Zirconia
2009/9/11
This study evaluated the effect of chairside and laboratory types of surface conditioning methods on the adhesion of dual-cure resin cement with MDP functional monomer to zirconia ceramic after thermo...
Mechanical and Thermal Cycling Effects on the Flexural Strength of Glass Ceramics Fused to Titanium
Flexural strength Aging Titanium
2009/9/11
This study evaluated the effects of mechanical and thermal cycling on the flexural strength (ISO 9693) of three brands of ceramics fused to commercially pure titanium (cpTi). Metallic frameworks of 25...
Effects of thermal cycling and surface roughness on the Weibull distribution of porcelain strength
Thermal cycling Weibull modulus Dental porcelain
2009/9/11
The objective of this study was to test the hypothesis that thermal cycling weakens the flexural strength of porcelain. Specimens of Deguceram Gold and Vita Omega 900 were tested in four groups of 30 ...
Studies on mechanical strength, thermal expansion of layering porcelains to alumina and zirconia ceramic core materials
Mechanical strength Fracture toughness Thermal expansion
2009/9/11
The aim of this study was to evaluate and clarify the various mechanical properties and behavior of layering porcelains (Tokuyama Dental Ceramic, IPS Empress 2, Cerabien, Vitadurα, Creation) used for ...
An investigation of thermal changes of various permanent dental cements
Permanent cements Temperature change Time
2009/9/11
The aim of this study was to investigate and compare the temperature rises which occurred during the setting reactions of different permanent cements used to lute fixed partial prosthodontics.
In thi...