In this case-report we have shown the planning, treatment and result of reconstructional operations of bone defects of 5 operated and reexamined patients. Both the extent of the implantation, the bed of the implantation, the bone graft and the fixation are important. The superiority of the cortico-spongious splinter shall be emphasized. With respect to clinical and x-ray controlled examination the healing process results were good, requiring an individual treatment for each single case.