Evaluation of Guided Bone Regeneration in Critical Defects Using Bovine and Porcine Collagen Membranes: Histomorphometric and Immunohistochemical Analyses

Table 2

Group vs. time comparison.

Group × time results
7 days	> 0.05 (similar)
15 days	> 0.05 (similar)
30 days	(BCG = PCG ( = 0.762)) > CG ( < 0.05)
60 days	(BCG = PCG ( = 0.980)) > CG ( < 0.05)