The course aims to familiarize attendees with the FAS aligner system, emphasizing its unique features that set it apart from other systems in the market. The course provides detailed guidanceon the diagnostic approach using FAS, focusing on vertical, sagittal, and transverse relationships inboth diagnosis and treatment planning. Participants will receive comprehensive instruction oninitiating, planning, and executing a clinical case with FAS aligners, covering every aspect from portal insertion to the final phase. During the course, attendees will learn how to handle routine diagnostic records as well as advanced ones, including CBCT scans and the recording of closure arches and mandibular dynamics. The course delves into treatment planning techniques, emphasizing efficiency and predictability, and addresses topics such as anchoring management, staging analysis, and optimization methods. The course thoroughly explores various clinical scenarios, from routine orthodontics to the management of complex cases.