Kingsley bụ aka ochie n'ise ihe, a makwa ya ama n'ise ihe e ji edozi ezé. O nwetara ihe nrite ọlaedo abụọ n'usoro n'asọmpi ngosi ihe ngosi ụwa na New York City (1853)
na Paris (1855). O bipụtara akụkọ banyere okwu ahụ, nwata nwere oghere alveolar nke dị ka V, na 1858 na New York Dental Journal. N'afọ 1859, Kingsley ji rọba a na-akpọ vulcanized India mepụta okpo ọnụ mmadụ maka onye ọrịa mbụ ya nwere oghere okpo ọnụ. O mechara banye n'ịkụzi ihe ma bụrụ Onye guzobere New York College of Dentistry, na-eje ozi dị ka onye isi mbụ ya site na 1865 ruo 1869. A makwaara Kingsley maka ọrụ ya metụtara efere vulcanite palatal nke mejupụtara ihu ihu nke na-enye mmadụ ohere iji aka ha na-eri nri n'ihu. Hotz mechara gbanwee ngwa ya ma mara ya dị ka "Vorbissplatte".