3 major phases of fracture healing, two of which can be further sub-divided to make a total of five phases;
1. Reactive Phase
i. Fracture and inflammatory phase
ii. Granulation tissue formation
2. Reparative Phase
iii. Callus formation
iv. Lamellar/compact/cortical bone deposition
3. Remodeling Phase
v. Remodeling to original bone contour
