Dental Implant assessment Characteristics Radiographic examination is a central part of implant treatment from the planning phase to the long-term evaluation of treatment success. Case 1Case 2Case 3Case 4Case 5Case 6Case 1 Extreme resorption of an edentulous mandible. Case 2 Implant failure. Implant 13 with peri-implantitis and implant 11 is fractured. Implant 23 appears normal. Case 3 Nerve injury resulting in sensory deficits. Case 4 Lingual cortical plate perforation. Case 5 Peri-cementitis: local gingival infection due to excessive extra cement around the implant crown. Case 6 Multiple implants with peri-implantitis in the lower jaw.