<Tr> <Th_colspan="2"> Antral lavage </Th> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Antral lavage is a surgical procedure in which a cannula is inserted into the opening of the maxillary sinus via the inferior meatus to allow irrigation and drainage of the sinus . It is also called proof puncture as the presence of an infection can be proven during the procedure . Upon presence of infection, it can be considered as therapeutic puncture . </P> <P> It can be used as therapeutic procedure for: </P>

The washing or irrigating of the sinuses of patients who are failing to respond to treatment