Table 3.

Analysis of selected articles

	Alonso et al. [25]	Dickinson et al. [26]	Herford et al. [27]
Total number of patients	16	21	12
rhBMP-2 group	8	9	10
Type of alveolar cleft	Unilateral only	Unilateral only	Unilateral only
Timing of intervention	Mixed dentition	Skeletally mature	Mixed dentition
Carrier used for rhBMP-2	Absorbable collagen sponge	Absorbable collagen sponge	Absorbable collagen sponge
Control group graft	Particulate iliac crest cancellous bone	Particulate iliac crest cancellous bone	Particulate iliac crest cancellous bone
Method for measuring outcome	CT, coronal CT slices	CTa, 3D CT reconstructionsa, OPG, periapical films	CT
Follow-up	12 months	12 months	4 months
Type of study	Randomised controlled trial	Randomised controlled trial	Retrospective controlled review

^aAlthough follow-up was 12 months, CT scans were performed at 6 months postoperatively by Dickinson et al. [26]