Advancements in orthodontic diagnostic aids have transformed the field, integrating modern technology to enhance traditional practices. Computers are now vital for diagnosis, patient management, treatment planning, and communication, allowing for precise and comprehensive patient records, leading to more accurate diagnoses and treatment outcomes.Diagnosis involves evaluating the patient's issue, interpreting results, and determining treatment. Key diagnostic aids include case history, clinical examination, radiographs (e.g., OPG, lateral cephalogram, IOPA), and facial photographs. Supplemental aids like specialized radiographs, electromyography, diagnostic setups, and occlusograms offer further support.Recent innovations such as digital study models, digital photography, video cephalometry, CT and MRI scans, 3D facial imaging, xeroradiography, digital subtraction radiography, ultrasonography, laser holography, cine radiography, and systems like SureSmile provide greater precision, improving treatment planning and patient outcomes, underscoring technology's growing role in modern orthodontics.