Dental According to ADA specification No or number 1, the minimum compressive strength for silver amalgam filling after one hour should be A 80 Mpa B 140 Mpa C 260 Mpa D 510 Mpa 💡 Explanation According to ADA specification No or number 1, the minimum compressive strength for silver amalgam filling after one hour should be ✓ Correct Answer: A. 80 Mpa