Oro-antral fistula

Case contributed by Ian Bickle
Diagnosis certain


Middle-aged female with discharge into mouth following left molar tooth extraction some weeks prior.

Patient Data

Age: 55 years
Gender: Female

Defect in the floor of the left maxillary sinus. Tooth absent at this site following extraction.

Opacified maxillary sinuses.

Case Discussion

Oro-antral fistula (OAF).  This most commonly occurs as a complication following extraction of the upper dentition.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.