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Water sorption of resin-modified glass-ionomer cements photoactivated with LED
Glass ionomer cements Water Light
2009/10/19
The Light Emitting Diodes (LED) technology has been used to photoactivate composite resins and there is a great number of published studies in this area. However, there are no studies regarding resin-...
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 ...