A removable partial denture or complete denture that covers and rests on one or more remaining natural teeth, the roots of natural teeth and /or dental implants. A prosthesis that covers and is partially supported by natural teeth, natural tooth roots and or dental implants - called also overlay denture, overlay prosthesis, superimposed prosthesis. An overdenture is a denture that may be supported by soft tissue, bone, the root of a tooth, or a modified tooth. In 1978, Louis Rissin studied the masticatory performance by over denture which is found to be one-third higher than normal denture....

The main task of dental implantology is occlusal rehabilitation. We should call the end product a prosthesis, whether it is removable or not. As described, a prosthesis is a substitute for an organ or its function. At best, a patient should be able to forget that they are using a prothesis and its existence should in itself be satisfying to them. If we can fulfil these criteria, we have given the patient a gift, a gift which is one of the most mportant they will ever receive. The field of dental implantology increased rapidly until the beginning of the last decade. This book answers this...