Nanotechnology has delivered is impact on almost every facet of science and development.It is but natural that 4 Ball Roller medicine and dentistry too are being influenced by this recent entrant which has immense potential.In contrast to bulk material, these nanoparticles are much more Wooden Blocks potent and can be manipulated for surface chemistry, charge and bonding capability.This article is a brief overview of current knowledge of nanoparticles and their actions, especially in reference to dentistry.