The art and science of regeneration has always drawn the attention of scientific brains time and again, so much so that it now has emerged as a separate branch, a separate field - the field of "regenerative medicine." In dentistry, this field has taken the shape and emerged as the field of "regenerative dentistry" which focuses on harnessing the power of stem cells and the body's own regenerative capabilities to restore function to damaged cells, tissues and organs. Over years, the treatment of non-vital infected teeth has been the cause of concern for every dentist. They have long been...