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ORIGINAL ARTICLE
Year : 2018  |  Volume : 9  |  Issue : 2  |  Page : 242-248

Osteoradionecrosis of jaw: An institutional experience


Department of Dental and Oral Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu, India

Correspondence Address:
Dr. Saurabh Kumar
Room Number 130, First Floor OPD Block, Christian Medical College and Hospital, Vellore - 632 004, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ccd.ccd_843_17

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Aims and Objectives: Osteoradionecrosis (ORN) of the jaw is a significant yet rare complication of radiotherapy (RT) associated with the management of head-and-neck malignancies. Recent decrease in the incidence of ORN following RT to the head and neck is being mainly attributed to refinement in RT techniques and improvement in our understanding of this morbid disease. The aim of this study is to assess the patients with ORN following head-and-neck RT to determine the various contributing risk factors involved in the development of ORN. Subjects and Methods: A retrospective data review from 2003 onward was conducted on the cases of ORN which presented to the Department of Dental and Oral Surgery, Christian Medical College, Vellore. Details of the patients with regard to the site of primary malignancy, type of treatment provided - RT alone or in combination of surgery and chemotherapy, dose of RT, presenting complaint, duration between the RT and presentation of ORN, and method of management considered were evaluated. Results: A total of 25 patients were evaluated. The average age of the 25 patients in our study was 58 years. Oropharynx (about 50%) was the leading site of primary malignancy. More than half of the patients in the study (52%) had undergone radical RT for the primary malignancy and all the patients were given >60 Gy dose of RT. About 48% of the patients in the study reported with pus discharge as their chief complaint. The average intervening time period from completion of RT to the presentation of ORN was 48 months. The mandibular alveolus was the most common site for ORN. Twelve of the 25 cases in the study were managed conservatively with only 3 patients requiring major resection. Conclusion: Due to its rare presentation, ORN still remains a challenge for the clinician in its management. Our study revealed that radical RT and concurrent chemo-RT for the oropharyngeal and base of the tongue malignancies have a higher risk of developing ORN. Patients subjected to the dose of RT above 60 Gy for head-and-neck malignancies have an increased risk of future ORN; henceforth, newer modality treatment like intensity-modulated RT regimen is recommended for such sites. Most of the patients in the study were satisfactorily managed of the symptoms with conservative modality treatment; hence, it is recommended to consider for surgical methods only in severe end-stage form of ORN.


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