Dental Kiel bone is: Xenograft Allograft Treated by detergent, sterilized and freeze dried. Ox or calf bone denatured with 20% H2O2, acetone and sterilized. A 1&3 B 2&3 C 1&4 D 2&4 💡 Explanation Kiel bone is: Xenograft Allograft Treated by detergent, sterilized and freeze dried. Ox or calf bone denatured with 20% H2O2, acetone and sterilized. ✓ Correct Answer: C. 1&4