Dental School
Edward H. Angle, the father of modern orthodontics, was born in Pennsylvania in 1855. After a year-long apprenticeship with a family friend who was a dentist, Angle entered the Pennsylvania College of Dentistry, graduating in the spring of 1876. During his training Angle developed an interest in orthodontia, finding it a field in which he could apply his interest in mechanical design and invention. In 1880 Angle invented his first dental appliance, a jack and traction screw.
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