Technical complications associated with implant prostheses in terms of reason, prevention, and management

Technical complications associated with implant prostheses include abutment or screw loosening, abutment or screw fractures, implant fractures, fracture of the veneering material and loss or misfitting of retention equipment. In this review, implant prostheses are classified as implant-supported single crowns (SCs), implant-supported fixed dental prostheses (FDPs) or implant-supported fixed complete dentures (FCDs). We evaluated the incidence of technical complications based on the clinical literature published after 2000. Then, we analyzed the reason, prevention and clinical management of abutment or screw loosening, abutment or screw fractures, implant fractures, fracture of the veneering material and loss or misfitting of retention, to reduce the incidence of complications and provide guidance for future oral implant treatment.