Surgery Most commonly used local anesthesia A 1:20,000 xylocaine Hcl B 1:50,000 xylocaine Hcl C 1:10,000 xylocaine Hcl D 1:80,000 xylocaine Hcl 💡 Explanation Most commonly used local anesthesia ✓ Correct Answer: D. 1:80,000 xylocaine Hcl