Why do self etch bonding systems tend to have less post operative sensitivity?

Self etch bonding does not remove the smear layer but modifies it, leaving the smear plugs intact
Self etch products remove & replace the smear layer
Self etch bonding removes collagen fibrils and replaces them with resin plugs
Self etch systems etch and bond simultaneously

Answer(s): A

In restoring multiple anterior teeth with ceramic restorations, the desired incisal plane can BEST be communicated to the laboratory by:

Answer(s): B

There is a direct relationship between the f-stop and depth of field. Which is correct?

Answer(s): A

What is the BEST property of condensible composites?

Lower filler content to allow lateral and vertical flow ensuring intimate contact
Less stickiness and stiffer consistency and have a wear ratio similar to amalgam
A filler loading of fibrous, porous, or irregular particles, and a filler percentage of 40% to 50% filled
Clinical evidence of strength and polymerization shrinkage superior to conventional composites

Answer(s): D

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