[Perception of pain in children].
D002648:Child; D002675:Child, Preschool; D003782:Dental Pulp / Q000294:innervation / Q000503:physiopathology*; D006801:Humans; D009619:Nociceptors / Q000503:physiopathology; D010146:Pain / Q000503:physiopathology* / Q000523:psychology