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Nanotechnology, the science of manipulating matter at dimensions between 1 and 100 nanometers, has emerged as one of the most transformative frontiers of modern science and technology. At this scale, materials exhibit unique physicochemical properties enhanced mechanical strength, superior antimicrobial activity, altered optical behavior, and improved electrical conductivity that are absent in their bulk counterparts. These nanoscale phenomena have positioned nanotechnology as a cornerstone of innovation across diverse domains including medicine, energy, electronics, and materials science. The interdisciplinary nature of nanotechnology, bridging physics, chemistry, biology, and engineering, has enabled the creation of multifunctional materials and devices that are not only smaller but also smarter. In healthcare, nanotechnology has already transformed drug delivery, imaging, and regenerative medicine. Dentistry, with its constant demand for precision, durability, and biocompatibility, has emerged as a fertile ground for nanotechnological applications, giving rise to the specialized field of nanodentistry