Is indicated where there is a missing tooth, or several of them. The implant is placed under local anesthesia in the bone where the tooth was lost. After 6 months a prostheses is places on top of the implant. If the patient has no teeth whatsoever four to six implants are placed and a denture is fixed to the implants after 6 months. When there is no sufficient bone to insert the implant a bone graft must be done, either from the mandible or from the iliac crest.