This Urgent Care Scenario (USC) is presented by the JCDA Oasis Team in collaboration with Dr. Archie Morrison and is also available through the JCDA Oasis Mobile Oroantral Communication (Oroantral Fistula) Oroantral Communication (OAC) is an abnormal communication between the maxillary sinus and the oral cavity. It may be the result of different pathological processes […]