Article #	2496
Journal	Rhinology 0 - 0
Article Title	Measurement of the nasopharynx-maxillary sinus pressure difference as function test of the ostium of the maxillary sinus
Abstract	Measurement of the pressure difference between the nasopharynx and maxillary sinus by using the pressure difference measurement method rarely gives information by itself on the patency of the ostium of the maxillary sinus. If a manometer examination of pressure variations in the maxillary sinus is added, these measurements are sufficient to judge the patency of the ostium. However, further investigations are required before this quick examination method is ready for clinical practice.
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