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J Oral Maxillofac Res. 2016 Dec 28;7(4):e3. doi: 10.5037/jomr.2016.7403. eCollection 2016.

Microscopic Evaluation of the Effect of Oral Microbiota on the Development of Bisphosphonate-Related Osteonecrosis of the Jaws in Rats.

Journal of oral & maxillofacial research

Felipe M Silveira, Adriana Etges, Marcos B Correa, Ana Carolina U Vasconcelos

Affiliations

  1. Dental College, Federal University of Pelotas - UFPel, Rio Grande do Sul, Porto Alegre Brazil.

PMID: 28154747 PMCID: PMC5279769 DOI: 10.5037/jomr.2016.7403

Abstract

OBJECTIVES: Osteonecrosis of the jaws is a side effect associated with the use of bisphosphonates. Using histologic analysis, this study aimed to evaluate the influence of microbial colonies in the development of osteonecrosis in the jaws of rats subjected to nitrogenous and non-nitrogenous bisphosphonates, undergoing surgical procedures.

MATERIAL AND METHODS: Thirty-four rats (

RESULTS: Osteonecrosis was induced in the test groups. There was no statistically significant association between the presence of microbial colonies and the presence of non-vital bone (Kruskal-Wallis, P > 0.05).

CONCLUSIONS: Use of zoledronic acid was associated with non-vital bone and the results suggested that the presence of microbial colonies does not lead to osteonecrosis.

Keywords: bisphosphonate-associated osteonecrosis of the jaw; diphosphonates; infection

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