Surgery When gap between the fracture segment is between 0.3-1mm, then healing occurs as: A Direct lamellar bone formation. B Woven bone formation later on replaced by lamellar bone. C Secondary healing. D Any of the above. 💡 Explanation When gap between the fracture segment is between 0.3-1mm, then healing occurs as: ✓ Correct Answer: B. Woven bone formation later on replaced by lamellar bone.