There are general and local factors that can have a negative impact on the healing of a broken bone.
General negative factors can be: hormonal (hypothyroidism); central and peripheral nerve paralyses; bad nutrition (avitaminoses, hypo-proteinemia, anemia, starving); degenerative diseases (osteoporosis), etc.
Local negative factors are: bad reposition (broken parts are not brought close enough and not connected properly); bad immobilization (connection between the broken parts is not stable); multi-fragmental fractures; severe damage of the surrounding soft tissue; infection; interposition of soft tissue between the bone fragments etc.
Bone grafts can be used for treating an un-healed bone fracture. A bone graft improves ossification of the connection between broken parts. A piece of the patient’s or a donor’s bone is taken and put between the parts of the broken bone.
In your daughter’s case, I can’t say what caused an incomplete healing of the fracture. You can consult an orthopedist for follow up and further advice.
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