Dentistry is a field of medical science which deals with diagnosis, prevention and treatment of diseases, disorders and conditions of oral cavity. Teeth are the most visible development that occurs after birth. Contrary to popular belief, tooth is not made up of bones but rather of multiples tissues of varying hardness. Tooth has parts such as Crown(top part), Enamel(outermost layer), Root (embedded inside bone) and Gumline(where tooth and gum meet), dentin(present inside enamel) and Pulp(soft tissue containing nerves and blood vessels).