Levon, John A.Al-Yakoubi, YaserPlatt, Jeffrey A., 1958-Kim, Seok-jin, 1967-Brown, David T.Andres, Carl J., 1942-2010-05-122010-05-122010https://hdl.handle.net/1805/2137http://dx.doi.org/10.7912/C2/1447Indiana University-Purdue University Indianapolis (IUPUI)This study evaluated the color stability of bleach shade composites when activated by a high-intensity quartz tungsten-halogen (QTH) light source after 1 day, 7 days, and 30 days of exposure to different conditions. The color stability of bleach shade composites depends on various factors, namely, the resin material, the shade of the resin material, the storage method, and the storage time.en-USCompositesColor StabilityBleach ShadeComposite Resins -- chemistryColorLightProsthesis ColoringThesis