[5]Cosgarea R, Gasparik C, Dudea D, Culic B, Dannewitz B, Sculean A.
Peri-implant soft tissue colour around titanium and zirconia abutments: a prospective randomized controlled clinical study. 2015 May;26(5):537-44. doi: 10.1111/clr.12440. Epub 2014 Jun 24.
To objectively determine the difference in colour between the peri-implant soft tissue at titanium and zirconia abutments.Link
[6]Kajiwara N, Masaki C, Mukaibo T, Kondo Y, Nakamoto T, Hosokawa R.
Soft tissue biological response to zirconia and metal implant abutments compared with natural tooth: microcirculation monitoring as a novel bioindicator. 2015 Feb;24(1):37-41. doi: 10.1097/ID.0000000000000167.
Zirconia is often used for implant abutments for esthetics. The aim of this clinical study was to compare the effects of zirconia and metal abutments on periimplant soft tissue.Link
[7]Wachi T, Shuto T, Shinohara Y, Matono Y, Makihira S.
Release of titanium ions from an implant surface and their effect on cytokine production related to alveolar bone resorption. 2015 Jan 2;327:1-9. doi: 10.1016/j.tox.2014.10.016. Epub 2014 Nov 3.
Although interest in peri-implant mucositis and peri-implantitis has recently been increasing, the mechanisms driving these diseases remain unknown.Link
[12]Scarano A, Piattelli M, Caputi S, Favero GA, Piattelli A.
Bacterial adhesion on commercially pure titanium and zirconium oxide disks: an in vivo human study. 2004 Feb;75(2):292-6.
Little is known about the mechanisms of bacterial interaction with implant materials in the oral cavity. A correlation between plaque accumulation and progressive bone loss around implants has been reported.Link
[80]Ermüdungstests nach ISO14801; Report Nr. 16010106-D-CS vom 31.3.2016 und Report Nr. 14070102-D-CS vom 21.4.2015; Spineserv GmbH & Co. KG, Söflinger Strasse 100, DE-89077 Ulm.Link