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Effectiveness of composite resin polymerization using light-emitting diodes (LEDs) or halogen-based light-curing units
Composite resins Spectrophotometry
2009/10/20
The clinical performance of composite resins is greatly influenced by the quality of the light-curing unit used. The aim of this study was to compare the efficiency of a commercial light-emitting diod...
Analysis of the microtensile bond strength to enamel of two adhesive systems polymerized by halogen light or LED
Adhesives Dental bonding Polymerization Light-emitting diode (LED)
2009/10/20
With the development of composite resin polymerization techniques, LEDs were introduced to the market place. Based on the studied literature, the aim of this study was to evaluate, through microtensil...
Orthodontic Bracket Shear Bond Strengths Produced by Two High-power Light-emitting Diode Modes and Halogen Light
Bond strength Fast-mode polymerization LED Soft-start polymerization
2008/12/4
The aim of this in vitro study was to compare the shear bond strength of orthodontic brackets cured with two different high-power light-emitting diode (LED) polymerization modes with traditional hal...
Conventional and High-Intensity Halogen Light Effects on Polymerization Shrinkage of Orthodontic Adhesives
Polymerization shrinkage Quartz halogen Light intensity
2008/11/20
The objectives of this study were to compare the polymerization shrinkage of three orthodontic adhesives. In addition we wanted to determine the effectiveness of the high-intensity quartz tungsten h...
Effects of Light-Emitting Diode and Halogen Light Curing Techniques on Ceramic Brackets Bonded to Porcelain Surfaces
Ceramic LED Porcelain Shear bond strength Silane Soft start polymerization
2008/11/20
The objectives of this study were to test the efficiency of LED curing devices in bonding ceramic brackets to porcelain surfaces and to compare the effects of LED and halogen curing techniques on ...
Conventional and High Intensity Halogen Light Effects on Water Sorption and Microhardness of Orthodontic Adhesives
Water sorption Vickers hardness Halogen Composites
2008/10/29
Objective: To test the null hypothesis that when the equivalent total light energy is irradiated to three orthodontic adhesive resins, there is no difference between the microhardness and water sorpti...
A Comparison of the Shear Bond Strength of Orthodontic Brackets Bonded With Light-Emitting Diode and Halogen Light-Curing Units
Light emitting diode Orthodontic bracket
2010/4/2
Statement of the problem: Various methods such as light emitting diode (LED) have been used to enhance the polymerization of resin-based orthodontic adhesives. There is a lack of information on the ad...