1- Şen D, Nayir E, Pamuk E. Comparison of the bond strength of three different alloys with two different adhesives. European Prosthodontic Association, 18th Annual Conference, 7-9 September 1994, Istanbul, Turkey. Best Oral Presentation.
2- Şen D, Akgüngör G. Shear bond strengths of two composite core materials after using all-in-one, single bottle and dentin adhesives. European Prosthodontic Association, 28th Annual Conference, 16-18 September 2004, Kusadasi, Turkey. Best Poster Presentation.
3- Şen D, Türkoğlu P, Aydın M. In vitro marginal fit of different all-ceramic systems. European Prosthodontic Association, 33rd Annual Conference, 1-3 October 2009, Innsbruck, Austria. Best Poster Presentation.