Implant dentistry is evolving and a remarkable progress is being seen over the years. There are several questions concerning materials as well as designs of both implants and implant abutments to achieve maximum success. One of the debates is the choice between screw and cement-retained implant prostheses. This book explains with evidence the choice of screw vs. cement retained implant supported prosthesis and their pearls and pit falls under various circumstances ranging from single implants to full arch reconstructions and various factors like implant loading, retrievability, complications, provisionalization.