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A review of the development of radical photopolymerization initiators used for designing light-curing dental adhesives and resin composites
Radical photopolymerization Photoinitiator Light-curing dental adhesive
2010/11/30
This paper reviews our recent studies on radical photopolymerization initiators, which are used in the design of light-curing dental adhesives and resin composites, by collating information of related...
Surface texture and roughness of polished nanofill and nanohybrid resin composites
Dental resin composite Polishability Surface roughness
2010/11/26
Nanofiller-containing resin composites have gained appreciable market share in dentistry due to their claims of high mechanical strength and low polymerization contraction. In this study, the polishab...
Effects of thermocycling on the degree of cure of two lingual retainer composites
Retainer Degree of cure Water sorption
2010/11/26
The aim of this study was to evaluate the effects of thermocycling on the degree of cure (DC) and water sorption behavior of two lingual retainer composites. A total of 50 composite specimens, 5 mm di...
Fracture Strength and Bending of Fiber-Reinforced Composites and Metal Frameworks in Fixed Partial Dentures
Denture Partial Fixed Resin-Bonded Inlays fiberglass reinforced poly-mers
2009/12/16
Objective: This in vitro study evaluated the fracture strength and bending amount of twotypes of fiber reinforced composite (FRC) and cast metal frameworks used for fabrication of inlay fixed partial ...
Microleakage of Class II Combined Amalgam-Composite Restorations Using Different Composites and Bonding Agents
Dental Leakage Dental Restoration Permanent Dental Amalgam Compos-ite Resins
2009/12/15
Objective: The purpose of the present study was to assess the microleakage of composite restorations with and without a cervical amalgam base and to compare the results of dif-ferent composites and bo...
The effect of flowable and dual-cure resin composite liners on gingival microleakage of posterior resin composites
Microleakage Posterior Composite Restoration Flowable Dual-cure liner
2009/12/14
Background and Aim: Microleakage has been always a major concern in restorative dentistry. The curing contraction of composites still presents a problem with controlling microleakage and postoperative...
Dentin Bond Strength of Two One-Bottle Adhesives after Delayed Activation of Light-Cured Resin Composites
Composite Resins Dentin-Bonding Agents Prime and Bond NT Dental Bonding
2009/12/7
Objective:
Adverse surface interactions between one-bottle adhesives and chemical-cured composites may occur with delayed light activation of light-cured composites. The purpose of this study was to ...
Evaluation of the roughness and mass loss of the flowable composites after simulated toothbrushing abrasion
Composite resins Tooth abrasion Surface properties Toothbrushing
2009/10/20
The purpose of this study was to measure mass loss and surface roughness changes of different brands of flowable resin composites after a simulated toothbrushing test. The null hypotheses were that th...
Compressive strength and compressive fatigue limit of conventional and high viscosity posterior resin composites
Composite resins Physical properties
2009/10/20
The purpose of this study was to compare the compressive strengths and compressive fatigue limits of three posterior composite resins (Filtek P-60, Surefil and Prodigy Condensable) and a universal res...
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...
Flexural strength and modulus of elasticity of different types of resin-based composites
Composite resins Physical and chemical properties Inorganic particles
2009/10/16
The aim of the study was to test whether the filler composition of resin composites influences their flexural strength and modulus of elasticity. Flexural strength and modulus of elasticity were obtai...
Microhardness assessment of different commercial brands of resin composites with different degrees of translucence
Composite resins Hardness Color
2009/10/16
Owing to improvements in its mechanical properties and to the availability of shade and translucence resources, resin composite has become one of the most widely used restorative materials in present ...
In vitro toothbrushing abrasion of dental resin composites:packable,microhybrid,nanohybrid and microfilled materials
Composite resins Surface properties Physical properties Toothbrushing
2009/10/16
This study evaluated weight loss and surface roughening after toothbrushing of different resin composites: one packable (Solitaire 2, Heraeus Kulzer), one microhybrid (Charisma, Heraeus Kulzer), one n...
Flexural strength and hardness of direct and indirect composites
Composite resins Dental materials Hardness
2009/10/16
The objective of this study was to evaluate the l exural strength
() and hardness (H) of direct and indirect composites, testing the hy-
f potheses that direct resin composites produce higher and ...
Preparation and Properties of Chitosan/Calcium Phosphate Composites for Bone Repair
Chitosan Calcium phosphate Composites
2009/9/15
Chitosan/calcium phosphate (CaP) composites composed of bioactive calcium phosphate and flexible chitosan were made by a simple mixing-and-heating method. Phase composition, morphology, and mechanical...