Upper extraction?: If you have had an upper posterior tooth extraction in the past, you may have a oro-antral fistula. In this condition, when you drink fluids, it passes through the fistula, into your sinus then out your nose. If this fits, you may want to see an ENT doc, or oral surgeon for evaluation
Answered 11/19/2016
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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