Implant-retained/supported overdentures, fixed or removable, regardless of the attachments and method of retention, can have similar issues that require attention to provide a functional appliance. Len Conner, CDT, MICOI, MAAIP, highlights common issues and provides solutions that can lead to the success your clinicians and patients are looking to achieve. He discusses key differentials for multiple types of retentive options and identifies the top failure modes for each type of restoration and the best ways to avoid them.