<prompt> Antral puncture is done through-Superior meatusInferior meatusMiddle meatusAll  <response>: Proof puncture Antral puncture This procedure involves puncturing the medial wall of the maxillary sinus in the region of the inferior meatus and irrigating the sinus.Indications1 Chronic and subacute maxillary sinusitis with the dual purpose of :Confirming the diagnosis andWashing out the pus2 To collect the specimen of the antral contents for culture and sensitivity, or cytological examination to exclude early malignancy.ContraindicationsChildren less than 12 years of age.Acute maxillary sinusitis as it may lead to osteomyelitisFracture of maxilla as fluid may pass through fracture line.Diabetes 