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Peroxide bleaching agent effects on enamel surface microhardness, roughness and morphology
Tooth bleaching Peroxides Dental enamel
2009/10/20
The aim of this study was to evaluate the surface roughness, microhardness and morphology of human enamel exposed to six bleaching agents (at baseline and post-treatment). Human dental enamel samples ...
Effect of dentinal surface preparation on bond strength of self-etching adhesive systems
Dentin-bonding agents Dentin Tensile strength
2009/10/19
The aim of this study was to evaluate the effects of dentin surface treatments on the tensile bond strength (TBS) of the self-etching primer Clearfil SE Bond (CSE) and the one-step self-etching One-Up...
Rotational Resistance of Surface-Treated Mini-Implants
Partial osseointegration Mini-implant Torque value Rotational moment Angular momentum
2010/3/5
Objective: To test the hypothesis that there is no difference in the stability and resistance to rotational moments of early loaded sandblasted and acid-etched (SLA) mini-implants and those of machine...
Ceramic Surface Polishing Techniques After Removal of Orthodontic Adhesive
Porcelain Polishing Orthodontic adhesive
2010/3/5
Objective: Verify the in vitro effectiveness of different porcelain surface polishing systems used after orthodontic debonding.
Materials and Methods: Restorations were simulated by 52 metallic sam...
The Effect of Surface Coating on Softness of Two Kinds of Tissue Conditioners
Tissue Conditioner Coating Monopoly Softness
2009/4/2
Introduction: One of the limitations of tissue conditioners (TC) is gradual hardening of the material in a short time period after insertion in the mouth, due to the loss of their viscoelastic propert...
The Effect of Surface Coating on Softness of Two Kinds of Tissue Conditioners
Tissue Conditioner Coating Monopoly Softness
2009/4/2
Introduction: One of the limitations of tissue conditioners (TC) is gradual hardening of the material in a short time period after insertion in the mouth, due to the loss of their viscoelastic prope...
Surface Characteristics of Orthodontic Materials and Their Effects on Adhesion of Mutans streptococci
Surface characteristics Orthodontic materials Mutans streptococci Adhesion
2010/3/5
Objective: To test the hypothesis that there are no significant differences in the adhesion of mutans streptococci (MS) to various orthodontic materials based on their surface characteristics.
Mate...
The Intercuspal Surface Contact Area Registration：An Additional Tool for Evaluation of Normal Occlusion
Intercuspal Surface Contact Area Registration Additional Tool Evaluation of Normal Occlusion
2009/3/9
The Intercuspal Surface Contact Area Registration: An Additional Tool for Evaluation of Normal Occlusion.
Surface Roughness of Orthodontic Archwires
LASER SPECTROSCOPY SPECULAR REFLECTANCE SURFACE ROUGHNESS WIRE
2009/2/17
Using specular reflectance, the surface roughness of six representative orthodontic archwire products was determined. Among the four alloy groups which are commonly used in orthodontics, stainless...
Fracture Toughness and Surface Cracks —The Key to Understanding Ceramic Brackets
CERAMICS FRACTURE TOUGHNESS TENSILE STRENGTH
2009/2/11
The mechanical properties of ceramic brackets, particularly fracture toughness, are so different from those of metal brackets that their selection and handling requires a completely different set ...
Surface Anatomy of the Lip Elevator Muscles for the Treatment of Gummy Smile Using Botulinum Toxin
Injection point Botulinum toxin Lip elevator muscles Gummy smile
2010/3/5
Objective: To propose a safe and reproducible injection point for botulinum toxin-A (BTX-A) as a supplementary method for the treatment of gummy smile, as determined by assessment of the morphologic c...
The effects of different phosphoric acid concentrations on surface enamel
Bonding Dental enamel Acid etching
2009/1/13
The purpose of this study was to evaluate the effects of different acid concentrations on the enamel surface morphology. The buccal surfaces of 25 extracted premolars from young patients were etch...
An investigation into the effects of polishing on surface hardness and corrosion of orthodontic archwires
Orthodontic alloys Polishing Corrosion
2009/1/7
The purpose of this study was to investigate the effect of surface roughness on the relative corrosion rates of wires of four alloys—stainless steel, nickel titanium, cobalt chromium, and beta tit...
Bond Strengths of Orthodontic Bracket After Acid-Etched, Er：YAG Laser-Irradiated and Combined Treatment on Enamel Surface
Orthodontic bonding YAG laser ablated Fracture mode
2008/12/19
Laser ablation has been proposed as an alternative method to acid etching; however, previous studies have obtained contrasting results. The purpose of this study was to compare the bond strengths af...
Mechanical Properties and Surface Characteristics of Three Archwire Alloys
Archwires Materials Characterization TiMolium™ Titanium
2008/12/17
Recent developments in material science have presented newer archwire materials as well as improvements in the properties of existing ones. Proper selection and understanding of the biomechanical ...