titanium alloy (90 MPa*m1/2 )amalgam (0.97-1.6 MPa*m1/2)
zirconia (8-10.3 MPa*m1/2)
enamel (0.7-1.3 MPa*m1/2)由大到小: Titanium alloy>zirconia>amalgam>enamel
29.下列牙材中何者有最小的斷裂韌性(fracture toughness)? ..-阿摩線上測驗