What are the characteristics of gap healing?

What are the characteristics of gap healing?

In gap healing a fracture gap, with a width smaller than 1mm, is filled with blood vessels ad loose connective tissue. After about two weeks vascular supply is established osteoblasts deposit lamellar bone in the fracture gap perpendicular to the fracture ends. Cutting cones cross the area formed by new osteons within the gap and those at fracture ends and, according Wolff’s law, new bone is remodelled along lines of load. In the context of the bone healing of femoral neck fractures it is of clinical importance that contact healing or gap healing only occurs with anatomic alignment and full bony contact of the fracture ends.

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