Lecture:

88^th Annual Meeting of the American Academy of Restorative Dentistry ( Chicago, 24-25 Feb 2018)

2018 NYU Japan Program (Tokyo,28-29 Apr 2018)

ITI Congress Japan (Tokyo, 16-17 Jun 2018)

8^th Aesthetic dental (Modena,6-7 Jul 2018)

The 3^rd Annual iACD World Congress (Shanghai,31 Oct-2 Nov 2018)

4th Colombia Esteticamente (Bogota,16-17 Nov 2018)

7 Decades of Quintessence Publishing(Berlin,10-12 Jan 2019)

9^th Aesthetic dental (Modena,5-6 Jul 2019)

Sofia Dental Meeting 2019(Sofia, 3-6 Oct 2019)