Starch-Jensen T, Christensen AE, Lorenzen H. Scalloped Implant-Abutment Connection Compared to Conventional Flat Implant-Abutment Connection: a Systematic Review and Meta-Analysis. eJournal of Oral And Maxillofacial Research. 2017 maj 13;8(1):e2. doi: 10.5037/jomr.2017.8102