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

Table 8

Bending strength (MPa) and Weibull modulus of zirconia samples before and after hydrothermal degradation. The average was calculated based on the 15-sample testing.

	Flexural strength (MPa)
	Not degraded	After hydrothermal degradation
		FA	F	SS
ZrOp	941.9 ± 164	1056.6 ± 149	1121.5 ± 178.7	1012.8 ± 60.7
ZrTrans	439.2 ± 67	306.5 ± 43	268.9 ± 56.6	299.9 ± 51.3
	Weibull modulus (m)
ZrOp	5.8	6.3	6.7	12.9
ZrTrans	9.0	8.9	5.2	6.2