There has never been any resolution to the possible problems (such as, natural root intrusion) associated with combining implants and natural tooth/root abutments in the same partially-edentulous arch. Lecturers, for the most part, anecdotally advocate “breaking-up” the prosthetic suprastructure so as not to include both entities as anchorage for the porcelain-fused-to-metal suprastructure. In your opinion, is this separation necessary? And, is this separation always possible? If not, what do you suggest?