A retrospective study on 1592 consecutively performed operations in one private referral clinic. Part II: Peri-implantitis and implant failures
It is reasonable to assume that both patient follow-up compliance as well as implant survival/success rates could be expected to be higher when reporting results from small, well controlled prospective efficacy studies, as compared to results from large, retrospective effectiveness studies, based on routine clinical performance. Thus, data using patients and dentists that are enthusiastic pioneers when using new clinical protocols or take part in prospective studies where the follow- up examinations per se become important parts of the treatment may result into better clinical results and higher follow-up compliance than following up patients in more routine situations. This assumption could be supported by comparing literature reviews on for example, implant surgical loading protocols based on studies comprising only prospective randomized studies6 with reviews based on both prospective and retrospective studies, indicating better and smaller differences between results when using prospective study protocols.