الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
This investigation was conducted to evaluate, the depth of cure of two types of light activated resin composite materials using two different activating light sources, light emitting diode and quarts tungsten halogen, through determination of the degree of conversion percentage using Fourier Transferred Infrared Spectrometer and measurement of hardness at different depths using Vickers Microhardness.