Abstract
Purpose
Bisphosphonate (BP) therapy in the treatment of bone diseases and malignancy may induce a major side effect known as bisphosphonate-related osteonecrosis of the jaws (BRONJ). A particular view of this condition is reported in this case series investigating eight patients. The aim of the study was to evaluate the BRONJ lesions concerning their aspects and progression. Also, identify if it is possible to predict the degree of severity in these cases.
Methods
Patients were evaluated by their condition and systemic health. The lesions were evaluated in clinical and radiographic aspects. The patients were followed-up for 2 years.
Results
The patients presented with specific peculiarities, and the BRONJ lesions varied in several characteristics. The BRONJ lesions ranged from simple to severe conditions, and the complicated cases presented with major pain, swelling, secondary infection and an extensive necrotic area, classified with high grade of severity.
Conclusions
The patients presented here confirm the existence of a relation between multiple features and BRONJ and to understand the whole process of aggravation, all systemic and local information have to be taken into account, together with all data related to the BP utilized. Regardless of the low incidence of this side effect in relation to osteoporosis treatment, in some cases, the BRONJ may become a severe condition and compromise the patient’s quality of life.


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Acknowledgments
The author (GDR) thanks the “Ciência sem Fronteiras – CNPq” (Processo número 245336/2012-5) program for the Post-doc scholarship.
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Rabelo, G.D., Assunção, J.N.R., Chavassieux, P. et al. Bisphosphonate-Related Osteonecrosis of the Jaws and Its Array of Manifestations. J. Maxillofac. Oral Surg. 14, 699–705 (2015). https://doi.org/10.1007/s12663-014-0707-8
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DOI: https://doi.org/10.1007/s12663-014-0707-8