Most wrist fractures are treated with simple plaster cast, but in some cases like this one fracture involves the joint itself, in such a case unless absolute reduction of the joint line is achieved, the wrist and in turn hand may suffer severe loss of function.
Think of it in this way, would a door hinge work if it is even slightly bent out of shape? This surgery also helps in early mobilisation of wrist and hand which is a boon for a young patient such as this one
