Krishna Kumar, RShashi Kiran, N DSubba Reddy, V V2002-06-192009-06-022002-06-192009-06-022002-06-19Krishna Kumar R, Shashi Kiran ND, Subba Reddy VV. Congenital insensitivity to pain (hereditary sensory and autonomic neuropathy) HSAN: a report of two cases. Journal of the Indian Society of Pedodontics and Preventive Dentistry. 2002 Jun; 20(2): 51-3http://imsear.searo.who.int/handle/123456789/114574Pain is one of the protective phenomenon possessed by the body. Pain arouses and demands our immediate attention. There are instances in which there is a congenital insensitivity to pain. Two cases of congenital insensitivity to pain are reported.engAnodontia --complicationsChildDiagnosis, DifferentialEctodermal Dysplasia --diagnosisFemaleHereditary Sensory and Autonomic Neuropathies --complicationsHumansLesch-Nyhan Syndrome --diagnosisMaleSiblingsCase Reports