-Difficult clinical situations:teeth implants ? (ITI Middle East Dubai 2018 , London Dental Meeting 2018) -Sinus management for implant placement: The “Lateral approach”Management of extremely resorbed posterior maxilla. (Cairo Dental Meeting 2018 , Bordeaux ITI francohone 2023) -The calcifying cystic odontogenic tumor (CCOT): A rare entity: A case report with 8 years follow up. (BIDM 2022). -Osseodensification: A different approach to different clinical situations. (Versah 2024).