Which generation of bonding system combines the primer and bonding agent into a single step?
High-Yield Explanation
FIFTH GENERATION
To decrease the number of steps PRIME AND BOND WERE COMBINED.
ETCH + (PRIME+BOND).
Called self priming adhesive.
Bond strength 17-24 MPA.
Less number of steps less post operative sensitivity.
Eg: Prime and bond NT, Adper single bond, Opti bond solo.
Reference- Sturdevant 6th ed