Figure 4. Osteonecrosis in the ZOL/Lig30 (A, B) and ZOL/Lig15 (C, D) groups (scale bar = 0.5 mm). Osteonecrosis with formation of bone sequestration (red arrow) surrounded by chronic inflammatory infiltrate (yellow arrow). Necrotic bone (green arrow) with loss of confluent osteocytes.

ZOL: zoledronic acid.