1. Colour stability of visible light curing hybrid composites;Leibrock;Eur J Prosthodont Restor Dent,1997
2. Comparison of the color stability of ten new generation composites: an in vitro study;Dietschi;Dent Mater,1994
3. In vitro discoloration of experimental and dental resins due to the effect of dyes and UV irradiation;Seher;Dtsch Zahnarztl Z,1992
4. Color stability of restorative resins;Khokhar;Quintessence Int,1991
5. Color stability and hardness in dental composites after accelerated aging;Schulze;Dent Mater,2003