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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 39(9); 1996 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1996;39(9): 1430-4.
Etiology and Surgical Management of Oroantral Fistula
Seog In Paik, MD1, Dong Joon park, MD1, Won Young Lee, MD1, Jung Seog Lee, MD1, and Jae Ha Yoo, MD2
1;Department of Otorhinolaryngology, 2;Oral and Maxillofacial Surgery, Yonsei University Wonju College of Medicine, Wonju, Korea
구강 상악동누공의 원인과 수술적 치료에 대한 고찰
백석인1 · 박동준1 · 이원영1 · 이정석1 · 유재하2
연세대학교 원주의과대학 이비인후과학교실1;치과학교실2;

To clarify the Pathogenesis and find the proper surgical treatment of oroantral fistula developed after tooth extraction, the medical records of 16 patients who underwent operations were analyzed retrospectively. On the bases of past history and paranasal sinus CT findings, we could classify the etiology into two group. The first group is ""odontogenic"" origin which is considered to occur from inflammation over dental root area including dentigerous cyst, remained tooth root necrosis after extraction, and periapical cyst. The other group is ""sinogenic"" origin due to preexisting maxillary sinus inflammation, for example, postoperative cheek cyst and incomplete Caldwell-Luc operation. The incidence of odontogenic and sinogenic origin was 67% and 33% respectively. All of the patient were successfully treated with buccal mucosal flap after Caldwell-Luc operation. However, it might be reasonable in pure odontogenic cases to perform minimal invasive treatment such as making nasoantral window to control sinusitis instead of radical maxillary sinus operation.

Keywords: Oroantral fistulaPathogenesisOperation.
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