Which type of restoration will increase its micromechanical retention after etching with hydrofluoric acid?
A . Press-on metal
B . Alumina-procera
C . Lithium disilicate glass
D . Zirconia dioxide
Answer: C
Which type of restoration will increase its micromechanical retention after etching with hydrofluoric acid?
A . Press-on metal
B . Alumina-procera
C . Lithium disilicate glass
D . Zirconia dioxide
Answer: C