Interest of the Cone Beam Scanner of Temporal Bones in the Analysis of Conductive Hearing Loss

Inclusion Criteria

• •Major subject (≥18 years old)
• •Subject having performed a CT scan or a cone beam for pre- and post-operative conductive hearing loss between January 01, 2018 and December 31, 2020
• •Subject who has not expressed his opposition, after being informed, to the reuse of his data for the purposes of this research.