Early Life and Education
- Born in Jackson, Michigan in 1847
- Graduated from Fayette High School (Ohio) in 1864
- Served in the United States military during the American Civil War in 1864
- Started studying dentistry at a local dentist in Jonesville, Michigan after the war
- Graduated from Ohio College of Dental Surgery in 1871
- Accepted a position as a Professor of Prosthetic Dentistry at the University of Michigan in 1881
- Studied at the Medical School at the University of Michigan and graduated in 1884

Career and Contributions
- Became partners with J. A. Robinson in Jackson, Michigan at his dental office in 1867
- Published 123 articles from 1881 to 1923
- Known for his work on prosthetic correction of cleft palate
- Participated in the Extraction Debate of 1911 against Edward Angle, Martin Dewey, and Albert H. Ketcham
- Case's premise inspired Charles Tweed in the 1940s to promote premolar extraction as the ideal way to prepare a patient for orthodontic treatment
- Accepted a position of Professor of Prosthetic Dentistry and Orthodontics at the Chicago Dental Infirmary
- Pioneered the use of a self-sustaining Velum Obturator for cleft lip and palate patients

Controversy with Edward Angle
- Had opposing views to Edward Angle on the treatment of malocclusions in orthodontics
- Controversy started when Angle claimed that Henry Albert Baker first used intermaxillary elastics, while Case claimed he used them first in 1890

Archery and Other Achievements
- Participated in the National Archery Tournament in Chicago in 1909 and placed 2nd in the Men's Handicap Section
- Skilled archer who practiced at his home in Kentworth, Illinois
- Served as President of the Michigan State Dental Association from 1889-1890
- Was the President of the Chicago Odontological Society in 1895

Legacy and References
- Published articles in various dental journals throughout his career
- Known for his textbook chapter in the American Textbook of Operative Dentistry
- References and citations include the American Journal of Orthodontics and Dentofacial Orthopedics
- His work and ideas continue to be celebrated and studied in the field of orthodontics