“…Recently, there have been reports regarding problems with the alumina inlay in this design [1,12,14,18,22,24,25,28,30,31], but what factors might relate to the socket or insert failure are unclear as there have been no reports regarding the clinical Each author certifies that he or she has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article. Each author certifies that his or her institution has approved the human protocol for this investigation, that all investigations were conducted in conformity with ethical principles of research, and that informed consent for participation in the study was obtained.…”