Gothberg C, et al. - In this trial, the authors assessed the role of various fixation modes dental prostheses. They also evaluated the complications and risks underlying the long-term use of implant-supported partial fixed dental prostheses. They found that the connection type influenced the marginal bone loss (MBL). As per the results, a machined abutment, instead of connecting the superstructure directly at the implant level, was beneficial. MBL was influenced by the probing pocket depth (PPD), periodontal disease experience, deteriorating health, light smoking, buccal soft tissue thickness, and ISQ. Data revealed that the results on peri-implantitis highlighted the requirement for long-term maintenance care. Moreover, the abutment material surface properties served as an additional target for strategies to minimize MBL.