Smart Materials are class of multifunctional materials with the capability to select and execute specific functions intelligently in order to respond to changes in the local environment. These materials have the ability to anticipate challenges based on the ability to recognize , analyse and discriminate with the ability for self diagnosis, self repair,self degradation and homeostasis.The numerous applications of smart materials have revolutionized in many areas of paediatric dentistry. These innovations in the material science have marked the beginning of an era of biosmart dentistry - a step into the future.