mohamad aboualnaser-awatef shaar-- orthodontist-orthodontist paris france-Seminars in Orthodontics-Orthodontic & , Seminars & Courses-orthodontist Kingdom of Saudi Arabia ksa-orthodontist qatar-orthodontist koweit-orthodontist emirats- oussama sandid-orthodontist-paris- france-orthodontist lebanon beirut,-Dental Continuing Education- dentist beirut lebanon-pediatric dentsitry beirut lebanon-dentiste orthodontiste beyrouth lebanon-pediatrique dentistrie beyrouth liban- periodontics lebanon-orthodontic lebanon -lebanese university dentistry-american university of beirut dentistry orthodontics-beirut arab university dentistry- universite saint joseph beirut dentistry-pediatre beyrouth liban-pediatrics beirut lebanon-makassed hospital beirut lebanon