Biography and Education - James Leon Williams' great-grandfather, Jacob Williams, settled in Maine in 1785 after serving as a U.S. Army captain during the American Revolution. - Williams' father, Richard, was born around 1794. - In 1879, J. Leon Williams began a two-year apprenticeship with Dr. Roberts in North Vassalboro, Maine. - Williams obtained the DDS degree from the Baltimore College of Dental Surgery and the equivalent LDS degree in Ireland.

Contributions to Dentistry - Williams aimed to improve dental prostheses by designing more aesthetic artificial teeth that matched the overall facial dimensions of patients. - He convinced an American artificial tooth manufacturer to produce his designs, with the condition that other dentists would adopt them. - Williams played a role in spreading knowledge about common crown and bridge techniques through The Dental Cosmos publication. - He practiced dentistry in London and was one of the founders of the International Association for Dental Research. - Williams had an interest in anthropology and authored a book called 'The Home and Haunts of Shakespeare.'

References - Shklar and Carranza's book 'Carranza's Clinical Periodontology' provides historical background on periodontology, including information about Williams. - George Wood Clapp's book 'The Life and Work of James Leon Williams' offers insights into Williams' life and achievements. - Clapp's article in the Journal of Dental Research provides further details about Williams' work. - Williams' book 'The Home and Haunts of Shakespeare' explores Shakespeare's life and surroundings. - William King Gregory's article in The American Museum discusses the Piltdown Man, a topic Williams was interested in.

External Links - 'James Leon Williams - The Old Lock at Welford' provides information about a specific location associated with Williams. - Capnocytophaga sp., Preston D. Miller, Willoughby D. Miller, Carl E. Misch, and John Mankey Riggs are related to dentistry but require further context. - Jay Seibert, Jørgen Slots, Paul Roscoe Stillman, and Dennis P. Tarnow are individuals associated with dentistry. - The dentistry article on Wikipedia is a stub and can be expanded.