[Technical and statistical conclusions after 20 years of stapedectomy]

The author exposes the results of his own operation technique on 723 operated otosclerosis among which 618 were computerized. He suggests a new method by moving a flap of promontorial mucosa secondary set on the hole drilled in the footplate. He emphasises the remarkable results on postoperative nauseas, dizziness and others postoperative disorders and points out the shorting of the operation. He also emphasises (regarding the statistical results) on the opportunity to operate deep otosclerotic patients, especially the 80 dB or even 100 dB hearing loss, with good social recovery in 118 cases among which one cophose only.