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Pre-operative (A, B), post-operative (C, D), 3-month (E–F) and 6-month (G) CT and 3D reconstructions of a typical patient in Group A. The magnesium screw used to fix the graft bone flap is visible. The degradation of the magnesium screw can be seen in the picture, with the bone flap firmly in position and the growth of bone around the screw, which also demonstrate the osteogenesis of the screw
