Recent Advances in Orthodontic Brackets: From Aesthetics to Smart Technologies

In recent years, orthodontic treatment has witnessed a transformative shift, moving beyond conventional bracket systems toward more advanced, patient-centered solutions. This review explores the latest innovations in orthodontic brackets, encompassing aesthetic, functional, and smart technologies. Ceramic brackets have evolved to offer improved strength and aesthetics while self-ligating brackets enhance treatment efficiency by reducing friction and chair time. Lingual brackets, offering invisible orthodontic care, continue to gain popularity through refined designs and digital customization. Notably, the integration of nanotechnology has introduced antibacterial coatings that minimize plaque accumulation and enamel demineralization. Meanwhile, 3D printing has enabled the creation of personalized brackets tailored to individual tooth anatomy, enhancing fit, comfort, and biomechanical performance. Smart brackets equipped with sensors and artificial intelligence (AI) capabilities now allow real-time force monitoring, optimizing treatment outcomes, and reducing clinical visits. Despite these advances, limitations such as high costs, biocompatibility concerns, and limited long-term data remain. Looking forward, future developments are expected to focus on biocompatible materials, environmentally sustainable designs, and AI-integrated treatment protocols. This review aims to guide orthodontic professionals in understanding emerging technologies and their clinical implications, aiding in the selection of effective and patient-friendly bracket systems.