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What is chronic sinusitis? | Minnesota Spokesman-Recorder
By Dr. Inell Rosario, MD Chronic sinusitis is inflammation of the lining of the sinus cavities for three months or longer. The sinuses are paired, air-filled cavities that are surrounded by the eyes, brain, maxilla and upper teeth, and back of throat. Names of the paranasal sinuses are the frontal, ethmoid, maxillary and sphenoid sinuses. Their natural […]
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