BRONJ(Bisphosphonate Related Osteonecrosis of Jaws) is not easy to be managed because it responds less predictably to established surgical treatment algorithms for osteomyelitis or osteoradionecrosis. The guidelines recommend that any kind of surgery should be delayed if possible. In the latest stage-dependent recommendations of the AAOMS in 2009, a conservative regime with antibiotics, antibacterial mouthe rinses and pain control in stages 0 to II. Some investigators have described the benefits of early osteotomy with primary wound closure. However, there are only a few publications with a standardized surgical concepts. In this reviews, various aspects of diagnosis and management of BRONJ will be discussed.