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Background- Orthodontics, a branch of dentistry focused on realigning teeth, has benefited from the application of Finite Element Analysis (FEA). FEA is a computational method that calculates stress and displacement within structures under specific loads. In orthodontics, FEA has been used to analyze the biomechanical effects of treatment methods and understand bone remodeling. This article provides an overview of FEA in orthodontics, discussing its fundamentals and outlining the steps involved in the process. FEA allows for accurate quantification of stress and strain patterns in the periodontal ligament, bone, and tooth structures, contributing to improved understanding and precision in orthodontic treatment. Computed Tomography (CT) scans are used to generate FEA models, and morphological analysis provides insights into the characteristics of dental structures. FEA is also used to study bone remodeling and dentofacial orthopaedics. However, FEA has limitations, including the need for careful modeling and the cost involved. Overall, FEA has proven to be a valuable tool in orthodontics, enhancing treatment planning and providing insights into the biomechanics of tooth movement and bone remodeling. Conclusion- Finite Element Analysis (FEA) is a powerful tool in orthodontics that allows for the accurate quantification of stress and strain patterns in the teeth, periodontal ligament, and bone structures during orthodontic tooth movement. It provides valuable insights into the structural behavior of teeth and helps improve treatment planning and outcomes. While FEA has its limitations and should be complemented by clinical trials, its application in orthodontics holds great promise for advancing evidence-based practices and customized treatment approaches.