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. 2016 Aug 17;6:31604. doi: 10.1038/srep31604

Figure 2.

Figure 2

Clinical findings in patients suffering from MRONJ showing necrotic alveolar bone (Stage 1) distal to a premolar tooth (a) or large areas of exposed bone with sings of infection (Stage 2) caused by tooth extractions under bisphosphonate therapy (b). Despite no large portion of necrotic bone in the maxilla (c), Stage 3 is characterized by severe infection leading to maxillary sinusitis in the presented case (d).