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Maxillary Antrostomy

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Updated June 25, 2014

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Maxillary Antrostomy

Maxillary Antrostomy

Photo © A.D.A.M.
Definition: A maxillary antrostomy is a surgery to culture or drain a blocked maxillary sinus. Antrostomy comes from the medical term antrum, which refers to an opening or cavity. A maxillary antrostomy may be necessary in cases of chronic sinus infections.

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