Table 1.

Lane–Sandhu radiographic scoring standard

Category	Standard	Scores
Bone formation	No evidence of bone formation	0
	Bone formation occupying 25% of defect	1
	Bone formation occupying 50% of defect	2
	Bone formation occupying 75% of defect	3
	Full gap bone formation	4
Fracture line	Clear	0
	Relatively clear	1
	Partial fracture line	2
	Basically vanished	3
	Completely vanished	4
Bone remodelling	No evidence of remodelling	0
	Remodelling of medullary canal	2
	Full remodeling of cortex	4