Q
Porcelain denture teeth________________?
-
A
A. Have a higher coefficient of thermal expansion than acrylic teeth:
-
B
B. Have a lower abrasion resistance than enamel
-
C
C. Should be used where the inter dental clearance is small
-
D
D. Have a higher abrasion resistance than gold
Correct Answer:
D. D. Have a higher abrasion resistance than gold