Professional
Technical
In the Industry Vocabulary Test
Oroantral Communication
An abnormal opening between the oral cavity and maxillary sinus, typically occurring as a complication of upper posterior tooth extraction.
Full Definition
An oroantral communication is an abnormal pathway between the oral cavity and maxillary sinus that can occur spontaneously or as a complication during dental extractions, particularly of maxillary posterior teeth. The condition requires prompt recognition and appropriate surgical management to prevent chronic sinusitis and other complications. Small communications may heal spontaneously, while larger defects typically require surgical closure using various flap techniques.
Usage
Usage note: Always hyphenate when used as a compound modifier.
In Context
- "The extraction resulted in a 4mm oroantral communication that required immediate surgical repair." — Surgical report
- "Pre-operative imaging should be reviewed carefully to assess the risk of oroantral communication during molar extraction." — Treatment planning documentation
Also known as
OAC
antral perforation
Don't confuse with
oronasal communication
sinus tract