Fig. 5From: Evaluation of antibacterial activity of propolis on regenerative potential of necrotic immature permanent teeth in dogs(a) Photomicrograph for a sample of subgroup B (MTA) at 1 month showing dentin like tissue formation (H&E, X200). (b) Photomicrograph for a sample of subgroup B showing pulp like tissue with areas of osteoid like tissue inside the root canal and closure of the apex (H&E, X100)Back to article page