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Figure 25 (left): Hollow cavitation is seen in the posterior mandible just after the cortex is removed.
Figure 26 (right): A large cavitation in the retromolar area extended  deeply into the ramus.

Figure 27 (left): Mandibular retromolar area shows hollow intramedullary cavitaion immediately after the cortex was removed.
Figure 28 (right): Autopsy case shows multiple dark, mushy areas of osteonecrosis.

Figure 29 (left): Drawing of bone cavitation with damaged nerve (yellow).
Figure 30 (right): Mirror image of cross section of mandible with large cavitation.