Frequency and site distribution of oroantral fistula - a study

ABSTRACT

The objective of the study was to determine the most vulnerable sites and side involved in oroantral fistula creation. Oroantral communication [OAC] and subsequent formation of oroantral fisturla is a common complication of dental extraction of maxillary molars. Chronic oroantral fistula may complicate into chronic sinusitis and its sequelae. The study was carried out on 60 patients with oroantral fistula reported to the Department of Oral and Maxillofacial Surgery, Khyber College of Dentistry Peshawar from Aug 2004 to Aug 2007. diagnostic criteria were history, clinical examination, Periapical views, orthopantomogram and paranasal air sinuses [PNS] view. Maxillary first molar was involved in 60% cases, second molar in 30%, last molar in 6% and premolars in 4% cases. Right side was involved [52%] and left side [48%]