Inclusion Criteria:  Male or female Major (s) at the time of the implantation Having needed implant surgery with one or more Global D devices: between October 1, 2013 - June 30, 2015 for EVL® S, EVL® K and EVL® C, In-Kone® UNIVERSAL and In-Kone® PRIMO implants between January 1, 2013 - June 30, 2015 for twinKon® UNIVERSAL implants between July 1, 2014 - June 30, 2015 for 3.0 implants Affiliated or benefiting from French Social Security Not opposing the use of their data Having carried out his annual follow-up visit at 5 years or any other visit motivated by the removal of the implant during the 5 years  Exclusion Criteria:  Patient unable to understand information related to his/her participation in the study Deceased patient, date of death after the date of implantation