J Korean Assoc Oral Maxillofac Surg.  2020 Feb;46(1):58-65. 10.5125/jkaoms.2020.46.1.58.

Closure of oroantral fistula: a review of local flap techniques

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyung Hee University, Seoul, Korea. kwony@khu.ac.kr

Abstract

Oroantral fistula (OAF), also termed oroantral communication, is an abnormal condition in which there is a communicating tract between the maxillary sinus and the oral cavity. The most common causes of this pathological communication are known to be dental implant surgery and extraction of posterior maxillary teeth. The purpose of this article is to describe OAF; introduce the approach algorithm for the treatment of OAF; and review the fundamental surgical techniques for fistula closure with their advantages and disadvantages. The author included a thorough review of the previous studies acquired from the PubMed database. Based on this review, this article presents cases of OAF patients treated with buccal flap, buccal fat pad (BFP), and palatal rotational flap techniques.

Keyword

Oroantral fistula; Buccal flap; Buccal fat pad; Palatal rotational flap

MeSH Terms

Adipose Tissue
Dental Implants
Fistula
Humans
Maxillary Sinus
Mouth
Oroantral Fistula*
Tooth
Dental Implants
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