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Oro-Antral Communication

What is oro-antral communication (OAC)? Abnormal connection between the oral cavity (mouth) and maxillary antrum. When oroantral communication is left open, epithelial tissue may develop in its track and we refer as oro-antral fistula. Oro antral fistula (OAF) – persistent epithelialized communication between the maxillary antrum and mouth. What causing …

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