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ORIGINAL ARTICLE RETROSPECTIVE STUDY
Year : 2015  |  Volume : 5  |  Issue : 1  |  Page : 67-70

Usability of surgical treatment in cases of bisphosphonate-related osteonecrosis of the jaw stage 2 with sequestrum


Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Saitama Medical University, Saitama, 350-0495, Japan

Correspondence Address:
Yosuke Fukushima
Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Saitama Medical University, 38 Morohongo, Moroyama, Iruma gun, Saitama 350 0495
Japan
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DOI: 10.4103/2231-0746.161067

PMID: 26389037

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Objective: This retrospective study was conducted to reveal usability of surgical treatment in the cases of bisphosphonate-related osteonecrosis of the jaw (BRONJ) stage 2 with sequestrum. Patients and Methods: Study subjects included 18 patients having BRONJ stage 2 with sequestrum and 12 non-BRONJ patients with nearly equal clinical states of BRONJ stage 2. Patient characteristics, frequency of inciting factors of osteonecrosis, and treatment results were compared between BRONJ group and non-BRONJ groups. In addition, correlation between treatment methods (conservative therapy, sequestrum curettage, and sequestrectomy) and treatment results and correlation between the administration route of bisphosphonates (BPs) (oral or intravenous) and treatment results were examined statistically. The Student's t-test and Fisher's exact test were performed for statistical analysis. Results: Patient characteristics, frequency of inciting factors of osteonecrosis, and treatment results showed no significant differences between the two groups. In the BRONJ group, treatment result of sequestrectomy was significantly better than conservative therapy/sequestrum curettage (P < 0.001), however, no significant difference was observed in the non-BRONJ group. No significant difference was found in correlation between the administration route of BPs and treatment results in the BRONJ group. Conclusion: Treatment outcome of sequestrectomy was better than conservative therapy/sequestrum curettage in BRONJ stage 2 cases with sequestrum.


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