E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Kindhart.
A jocular name for a tooth-drawer; so called from a dentist of the name in the reign of Queen Elizabeth. Kindhart, the dentist, is mentioned by Rowland in his Letting of Humours - Blood in the Head-vaine. (1600); and in Rowley’s New Wonder.
