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. Author manuscript; available in PMC: 2020 Nov 13.
Published in final edited form as: EC Dent Sci. 2020 Jan 29;19(2):https://www.ecronicon.com/ecde/pdf/ECDE-19-01347.pdf.

Table 1:

Critical flaw size.

CAD/CAM Ceramic Materials Minimum Sample Thickness (mm) Flexural Strength (MPa) [14] KIc (MPa*m1/2) [14] a (um)
Vita
Mark II®		 0.74
(±0.01)		 103.8
(17.0)		 1.24
(0.25)		 45.5
(9.5)
ProCAD®
Leucite		 1.16
(±0.20)		 129.7
(14.3)		 1.11
(0.14)		 25.6
(9.4)
InCeram®
Spinel		 1.02
(±0.18)		 339.5
(16.1)		 1.94
(1.25)		 17.6
(4.6)
InCeram®
Alumina		 0.86
(±0.19)		 314.0
(124.9)		 2.53
(0.43)		 23.7
(7.9)
InCeram®
Zirconia		 1.06
(±0.29)		 248.6
(102.7)		 1.93
(1.01)		 18.8
(7.7)
Alumina
Coors®		 0.82
(±0.30)		 231.8
(71.7)		 2.59
(1.20)		 37.9
(15.2)