Research Article

Physical Properties and Color Stainability by Coffee and Red Wine of Opaque and High Translucency Zirconia Dental Ceramics after Hydrothermal Degradation

Figure 3

XRD patterns of sintered and hydrothermal degradedāˆ— for 20-h zirconia ceramics: (a) ZrOp and (b) ZrTrans. SS: immersion in saline solution. FA: immersion in oral mouthwash sodium fluoride solution with alcohol. F: immersion in oral mouthwash sodium fluoride solution without alcohol.
(a)
(b)