the authors point out that a conventional denture bases itself upon a gingival tissue and is not supported by implants. Implant-supported prostheses are used when a person does not have any tooth, but has enough bony tissue for submerging implants into it. Such type of prostheses is created for a lower jaw bone, as the conventional dental prostheses for a lower jaw bone are less steady. Nevertheless, this type of prostheses might well be used for an upper jaw bone. Its acryl part successfully Imitates gums, porcelain or plastic teeth are fixed to it. Not less than two implants are needed, because denture should be fixed to them. Daily cleanup is necessary in order to make it operational.