Table 2.

Clinical staging and management strategies by Bagan et al. [22] (2009).

Stage I	Exposed bone necrosis or small oral ulceration without exposed bone necrosis, but without symptoms
Stage II	Exposed bone necrosis or a small oral fistula without exposed bone necrosis, but with symptoms controlled with medical treatment
Stage II	Exposed bone necrosis or a small oral fistula without exposed bone necrosis, but with symptoms not controlled with medical treatment
Stage III	Jaw fractures, skin fistula, and osteolysis extending to the inferior border

Bagan and coll. staging system for BRONJ (modified from [22]).