Implant supported Overdentures are a type of prosthodontic treatment modality which connects the removable denture to the underlying dental implants. A specialized mechanism exists that engages the dentures to lock them securely in place providing added retention. It is different from traditional dentures, which rests directly on the residual alveolar ridge, on the other hand implant supported over denture has matrix part which is attached in the implant and the patrix part which attaches in the denture, Literature on implant supported Overdenture needs to be updated by adding new advanced technique of the same. This book is an extensive effort for the same to provide its readers compiled and in-depth knowledge of implant overdentures and its use. The newer type of attachment system with overall indication, contraindication, advantages and disadvantages, type of prosthetic design, surgical technique and maintenance of the prosthesis along with the failures are added all in this book which might make this book very helpful for clinicians, Researchers and students.