
Dentistry came into its own in the 19th century. According to the American Dental Association website, Samuel Stockton began manufacturing porcelain teeth in 1825. Amalgam fillings were introduced in America in the 1830s, and cohesive gold foil fillings became practical about 1855. Probably best of all from the patients' point of view was the development of various means of anesthesia in the 1840.
York dentists kept up with the times, according to two 1840s ads below from the York Gazette:



