Nanotechnology provides us with a wide range of innovations and improvements in the prevention, diagnostics, and treatment of oral diseases. Nanodentistry comes out with the great potential to yield a new generation of technologically driven clinical tools and devices for oral healthcare. Nanoparticles can be used to improve the mechanical properties of dental composites, their bonding, anchorage, and reducing friction. Nanomaterials can be used to improve oral health.