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KMID : 0361020160590080593
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Korean Journal of Otolaryngology - Head and Neck Surgery
2016 Volume.59 No. 8 p.593 ~ p.598
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Clinical Characteristics and Treatment of Oroantral Fistula
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Heo Sung-Jae
Na Kyung-Jin
Cho Hyun-Soo
Ryu Jin-Hyun
Cho Hyun-Ho
Choi Jin-Hyuk
Kang Dong-Hoon
Kim Jung-Soo
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Abstract
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Background and Objectives : Oroantral fistula is an epithelialized communication between the oral cavity and the maxillary sinus. The aim of this study is to investigate the clinical characteristics and treatment of oroantral fistula.
Subjects and Method : Patients who have undergone treatment for oroantral fistula between May 1995 and December 2015 were enrolled in this study. The demographic data of these patients and characteristics of oroantral fistula were analyzed. Patients with oroantral fistula were initially administered oral antibiotics for 3 weeks. If fistula persists in spite of the medication, surgery (soft tissue flap with or without bone graft) was performed. The surgical results according to the presence of bone graft were compared.
Results : Twenty-two patients were in accordance with the inclusion criteria. The male to female ratio of patients was 12:10, with the mean age of 47.9±13.4 years. The main complaint of patients was pus discharge from the fistula. Two patients were successfully treated with antibiotics whereas 20 patients underwent surgery. Recurrence occurred in 3 patients, who were treated with soft tissue flap, but no recurrence developed in the patients treated with soft tissue flap and bone graft. Although dehiscence of soft tissue flap occurred in one patient treated with bone graft, it was successfully treated by secondary intention without an additional surgery.
Conclusion : Bone graft bears the negative pressure of the oral cavity and the weight of secretions including the blood. In addition, it induces secondary intention for the dehiscence of the flap. In this regard, bone graft seems to contribute to the surgical success of oroantral fistula.
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KEYWORD
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Bone transplantation, Oral surgical procedures, Oroantral fistula, Surgical flaps
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