“…Regardless of the patient's hearing status, cochlear implantation surgery should be as atraumatic as possible, aiming to preserve intra-labyrinthine structures and maintain the patient's chances of taking advantage of future treatment modalities 3 , 4 , 5 , 7 , 21 – 23 . In our clinical study, the surgical method of choice was the round window approach, which eliminates drilling of the cochlear bony capsule, and thus reduces the risk of acoustic trauma and the incorporation of bone dust 1 , 3 , 5 , 6 , 8 , 9 , 24 , 25 . Among the other factors affecting structure preservation is the depth of electrode insertion and its design 22 , 25 , 26 .…”