Violation

Which of the following cements can chemically bond to enamel? 1. Zinc phosphate cement. 2. Polycarboxylate cement. 3. Ethoxy benzoic acid cement. 4. Glass ionomer cement

(2) and (4)

(4) only

All of the above

(1) (2) (3)

(1) and (3)

Please describe the matter of abuse