Câu 7: AACD: American Academy of Cosmetic Dentistry

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

1. A. Self etch bonding does not remove the smear layer but modifies it, leaving the smear plugs intact — đáp án hiện tại
2. B. Self etch products remove & replace the smear layer
3. C. Self etch bonding removes collagen fibrils and replaces them with resin plugs
4. D. Self etch systems etch and bond simultaneously