Audiological Benefit and Improved Quality of Life With Two Bone Conduction Systems: ADHEAR vs. Bonebridge in Experienced Users

Patients implanted with a Bonebridge will be asked to be part of the study. The study subjects are enrolled into the study according to inclusion criteria. Patients will be asked to wear an adhesive bone conduction device an adapt to it for 30-60 min. After this time period patients will be asked to use the adhesive device instead of the Bonebridge for 3 weeks. Audiologic Tests and quality of life questionnaires will be assessed at the beginning of the study and at the end of three weeks.