Go back to AACD - American Academy of Cosmetic Dentistry

Question :-

The purpose of a primer in a fourth generation adhesive system (etch and rinse followed by a separate prime and bond) is to:
open the orifices of dentinal tubules.
link the dentin to the resin.
remove the smear layer.
improve bond to the composite filler.

Want to practice for AACD - American Academy of Cosmetic Dentistry ? Click here.