This contraction due to scarring is the reason why this sinus operation is only carried out very rarely and in the case of very pressing indications. Â When the scar tissue grows back in the maxillary sinus it may impinge on the infraorbital nerve, causing pain for the patient which is very hard to treat.
For this reason nowadays we try as hard as possible not to disturb the mucosa and bone in the maxillary sinus. An alternative is an endoscopic entry. For this first an opening is punched from the mouth into the maxillary sinus with a special instrument. The surgical instruments can then be passed through this opening. Then the endoscope is passed into the maxillary sinus via the nose so that the operator can obtain a good overview of the sinus.
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