Role of Periapical Diseases in Medication-Related Osteonecrosis of the Jaws

Figure 2

Histological images of the alveolar bone (HE staining). (A) Non-PE tooth in vehicle group. (B) Drilled tooth in vehicle group. (C) Nondrilled tooth in ZA group. (D) Drilled tooth in ZA group. a, b, c, and d are magnified views of the square area from A to D. Empty osteocytic lacunae present in the alveolar bone (arrows).