Temp (°C) VHN20 Kic20 (Mpa.m0.5) VHN30 Kic30 (Mpa.m0.5) Density 1100-m/w 206 ± 0.7 3.1 ± 0.2 275 ± 7.8 Inaccurate 56.3 ± 3.7 1300-m/w 827 ± 16 4.8 ± 0.13 863 ± 45 5 ± 0.23 90 ± 2 1350-m/w 994 ± 17 5 ± 0.4 895 ± 7 5.5 ± 0.3 93 ± 0.2 1400-m/w 1039 ± 11 5.6 ± 0.2 1035 ± 10 6.4 ± 0.2 96 ­± 0.9 1450-m/w 1256 ± 7 6.4 ± 0.4 1267 ± 18 6.8 ± 0.13 98 ± 0.9 1450-Conventional 1130 ± 25 6.5 ± 1.1 1237 ± 29 6.6 ± 0.8 98.04 ± 2.37

Table 1: Mean standard deviation of the Mechanical Property ( Vickerns Hardness Numbers (VHN at 20 and 30 kgs) and respective fracture toughness (Kic at 20 and 30 kgs)) of Zirconia samples sintered in a microwave at various temperatures and in a conventional oven at 1450°C.