Eligibility criteria
The study population consists of adult patients (> 18 years old) that are approved for cochlear implantation according to standard care criteria. Patients will initially undergo a series of diagnostic tests to assess eligibility for cochlear implantation. These are as follows: a CT scan, a pure tone audiogram/speech test, psychological evaluation, and a consultation by the audiologist and ENT specialist. The Cochlear Implant Team of the UMC Utrecht will assess the work-up results and assess eligibility for cochlear implantation, according to the current clinically applied criteria.All cochlear implant models will be included in this study. The choice for the cochlear implant model lies with the patient and the CI team of the UMC Utrecht and will not be affected by taking part in this trial. In order to be eligible to participate in this study, a participant must have provided written informed consent authorization before participating in the study. They also must have Dutch written language proficiency and be physically able to undergo a CBCT scan.A potential participant who is a revision or reimplantation candidate, is unable to understand or sign informed consent, or is pregnant during the trial will be excluded from participation in this study.