![](https://ul.edu.lb/files/ann/1-Logo-Ara.png)
On 30 June 2020, the Lebanese University - Faculty of Dental Medicine witnessed post-Corona discussion of the first two PhD dissertations, amid full commitment by the jury and the attendance to the health preventive measures.
Dr. Marwan Hoteit, Head of Services in the Faculty’s Orthodontics Department, discussed his PhD entitled:
«Er,Cr:YSGG & Er:YAG LASER-ASSISTED ENAMEL ETCHING AND CERAMIC BRACKETS DEBONDING: AN IN VITRO STUDY »
The jury consisted of:
· Prof. Bassam Badran – President, Lebanese University
· Prof. Toni Zeinoun – Advisor, Lebanese University
· Prof. Samir Nammour, Assistant Advisor, University of Liege, Belgium
· Prof. Ziad Salameh, Member, Lebanese University
· Prof. Abdo Gerges, Member, American University of Beirut
· Prof. Roland Habchi, Member, Lebanese University
![](https://ul.edu.lb/files/ann/20200701-ULFDM-Dissertation1Hoteit.jpeg)
![](https://ul.edu.lb/files/ann/20200701-ULFDM-Dissertation2Hoteit.jpeg)
Dr. Jihad Saadeh, a professor in the Combined Assistant and Joint Prosthodontics - Occlusodontics Department at the Faculty, also discussed his PhD entitled:
«Effect of different combinations of surface treatment and cement selection on bonding promotion of resin composite to zirconia»
The jury consisted of:
· Prof. Toni Zeinoun – President, Lebanese University
· Prof. Ziad Salameh, Advisor, Lebanese University
· Prof. Jukka P. Matinlinna, Assistant Advisor, Hong Kong University
· Prof. Roland Habchi, Member, Lebanese University
· Prof. Paul Boulos, Member, Saint Joseph University
· Prof. Abdo Gerges, Member, American University of Beirut
![](https://ul.edu.lb/files/ann/20200701-ULFDM-Dissertation3Saadeh.jpeg)
![](https://ul.edu.lb/files/ann/20200701-ULFDM-Dissertation4Saadeh.jpeg)