title: [Historical beginnings of local anesthesia in dentistry].
mesh_terms: D000766:Anesthesia, Dental / Q000266:history*; D000772:Anesthesia, Local / Q000266:history*; D000776:Anesthesiology / Q000266:history; D003042:Cocaine / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century
chemical_list: D003042:Cocaine
vernacular_title: Nacimiento histórico de la anestesia local en odontología.