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Early Life and Education
- John Nutting Farrar was born in Massachusetts in 1839.
- He attended the Academy of Pepperell and a private school in Elmira, New York.
- Farrar earned his DDS degree from the Pennsylvania College of Dental Surgery.
- After graduating, Farrar spent four months in the West Indies.
- He returned to Philadelphia to pursue his MD degree from Thomas Jefferson University.

Contributions to Orthodontics
- Farrar's first published work on tooth movement was in Dental Cosmos in 1876.
- He theorised that pressure moved teeth.
- Farrar published his work in Dental Cosmos in 1888 and 1898, containing over 1400 sketches drawn by him.
- He advocated for orthodontics to be established as a separate field from dentistry.
- Farrar invented various dental appliances and contributed to the field of orthodontics.

Inventions
- Farrar invented elastic car wheels and a typewriting machine.
- He used 18k gold to regulate dental appliances.
- Farrar also invented a water meter and a screw-activated syringe.
- He developed antral tubes and tubes for treating the antrum through the nares.
- Farrar's inventions had a significant impact on various industries.

References
- Welch, Thomas Bromwell; Litch, Wilbur F.; Lee, Alfred P. (January 1, 1911). Dental Brief: An American Journal of Dental Science, Art and Literature.
- Obituary Notes. The New York Times. June 12, 1913.
- Farrar, John Nutting (January 1, 1889). A Treatise on the Irregularities of the Teeth and Their Correction: Including, with the Authors Practice, Other Current Methods.
- Asbell, Milton B. (November 1, 1998). John Nutting Farrar 1839-1913. American Journal of Orthodontics and Dentofacial Orthopedics.
- These references provide additional information and sources related to John Nutting Farrar's life and contributions.

Personal Life and Influence
- Farrar was married to Sarah M. Chandler.
- They had a son who died in infancy.
- Farrar's personal life influenced his career choices and decisions.
- His family provided support and motivation throughout his life.
- Farrar's personal experiences shaped his perspective on dentistry and orthodontics.

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