Violation

Hydroxyapatite 1. can be used to eliminate osseous undercuts. 2. is derived from coral. 3. is biocompatible. 4. is resistant to fracture. 5. is osteogenic.

(1) (2) (3)

(1) (3) (5)

(2) (4) (5)

All of the above.

Please describe the matter of abuse