Fig. 4From: Uncommon presentation of potential medication-related osteonecrosis of the jawAn immunohistochemistry view of the lesion without counterstain. a Matrix metalloproteinase (MMP)-1. b MMP-2. c MMP-3. d Lysozyme. e Receptor activator of nuclear factor-kappaB ligand (RANKL). f Osteoprotegerin (OPG). g Hypoxia inducible protein alpha (HIFα). h Vascular endothelial growth factor (VEGF)Back to article page