Dental The knoop Hardness Number of Microfilled Composite Restorative material ranges from: A 50 — 60 KHN B 25 — 35 KHN C 15 — 20 KHN D 40 — 48 KHN 💡 Explanation The knoop Hardness Number of Microfilled Composite Restorative material ranges from: ✓ Correct Answer: B. 25 — 35 KHN