Long-term stability of peri-implant tissues after bone or soft tissue augmentation. Effect of zirconia or titanium abutments on peri-implant soft tissues. Summary and consensus statements. The 4th EAO Consensus Conference 2015

1. Sicilia, A.
2. Quirynen, M.
3. Fontolliet, A.
4. Francisco, H.
5. Friedman, A.
6. Linkevicius, T.
7. Lutz, R.
8. Meijer, H.J.
9. Rompen, E.
10. Rotundo, R.
11. Schwarz, F.
12. Simion, M.
13. Teughels, W.
14. Wennerberg, A.
15. Zuhr, O.