He was appointed Censor of the Royal College of Physicians in 1838 and later was appointed Consiliarius He is famous for his discovery that a blue line on the gums is a symptom of lead poisoning .
A blue line on the gums is the eponymous Burton line .
He was appointed Censor of the Royal College of Physicians in 1838 and later was appointed Consiliarius He is famous for his discovery that a blue line on the gums , the eponymous Burton line , is a symptom of lead poisoning .