Exchange License Key * If you have redownloaded the eHuman software or refactored your computer, your old license key will no longer work. Here you can exchange an old license key for a new one. First Name Last Name Email Tooth Atlas 9 Tooth Atlas 9 Hygiene Tooth Atlas 8 Tooth Atlas 8 Hygiene Occlusion Atlas 3 Removal Partial Dentures Head & Neck Anatomy 3 Complete Dentures Code Submit
