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Influence of composite restorative materials and light-curing units on diametrical tensile strength
Light emitting diode Composite resins Diametrical tensile strength Mechanical properties
2009/10/19
The aim of this study was to evaluate the diametrical tensile strength (DTS) of three light-curing photo-activated composites with two different light curing units (LCU). Three types of dental restora...
Evaluation of Light Curing Units Used for Polymerization of Orthodontic Bonding Agents
Light curing units Blue light–emitting diode Tungsten-quartz halogen Plasma arc
2008/12/17
This study evaluated the light intensity of various light curing units, the effect of distance of the light guide, and the validity of a tapered light guide. Light curing units tested included (1) f...
Microleakage beneath Ceramic and Metal Brackets Photopolymerized with LED or Conventional Light Curing Units
Ceramic bracket Metal bracket Microleakage LED curing Photopolymerization
2008/11/24
Objective: To test the null hypotheses that (1) the type of light curing unit used (quartz-tungsten-halogen [QTH] or light-emitting diode [LED]) would not affect the amount of microleakage observed ...
Temperature Rise During Orthodontic Bonding With Various Light-curing Units—An In Vitro Study
Temperature rise Pulp chamber Orthodontic bonding Light curing
2008/11/19
The purpose of this in vitro study was to investigate the temperature changes in the pulp chamber during bracket bonding using three different light sources. Bracket bonding was performed on one...