Unilateral maxillary sinus opacity can be caused by many diseases. but an exact diagnosis is difficult to make. The aim of this study was to describe the pathological conditions and clinical features of patients with unilateral maxillary sinus opacity. Methods: From 2004 to 2008. https://www.roneverhart.com/Mabis-Dmi-Healthcare-3-In-1-All-Purpose-Commode-by-Briggs-Healthcare/