A major difference between total-etch and selfetching primer dentin bonding systems include all of the following except _____.
Correct Answer: The time necessary to apply the material(s).
Description: Self-etch dentin bonding systems differ from total-etch dentin bonding systems by removing less of the smear layer (they use a less potent acid), creating a weaker bond to enamel (especially nonprepared enamel), and not requiring wet bonding that may be necessary for some of the total-etch systems. Even though fewer actual materials may be needed with some of the self-etch systems, they need to be applied in multiple coats and thus the time necessary to apply the materials is similar for both systems.
Category:
Dental
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