treatment may involve medical therapy or surgical intervention. Common therapeutic procedures include monitoring aural hygiene blowing out the ear and administering antibiotics to treat infections. Surgical techniques may involve the cosmetic and functional restructuring of congenital malformations such as a deformed external ear or closed external canal. fenestration is the surgical creation of a new opening in the labyrinth of the ear to restore hearing. a stapedectomy is a surgical process conducted under a microscope whereby a fixed stapes is replaced with a prosthetic device capable of vibrating thus permitting the transmission of sound waves.