Effect of Coffee Thermocycling on Color Stability and Translucency of CAD‐CAM Polychromatic High Translucent Zirconia Compared With Lithium Disilicate Glass Ceramic
Ratchaphat Khomprang,
Jeerapa Sripetchdanond,
Wareeratn Chengprapakorn
Abstract:Aims and ObjectivesTo evaluate the effect of coffee thermocycling on color stability and translucency of CAD‐CAM polychromatic high translucent zirconia compared with lithium disilicate glass ceramic.MethodsSixteen rectangular plates (14 × 16 × 1.0 mm) of two ceramic materials (IPS E.max CAD (IEC), IPS E.max ZirCAD Prime [IZP]) were prepared. Each specimen was measured for color coordinates using a spectrophotometer following 30,000 cycles of coffee thermocycling. CIELAB formula was used to determine color and… Show more
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