Odontogenic maxillary sinusitis (OMS) is an inflammatory condition affecting the paranasal sinuses and is commonly encountered by both Otorhinolaryngologists and Dentists. However, there is an ongoing debate regarding the best sequence of management. Clinicians are faced with the dilemma of first addressing either the affected tooth or the affected sinus. This paper provides a review of the current literature on the aetiology, presentation, and management of OMS, as well as our experience in managing this condition. Overall, the causative pathology of the patient’s OMS, their symptoms, and the risk of surgery should drive decision making with regards to sequence of management.

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