She then moved to the United States because she could not practice in the UK with an American dentistry degree.
[1][2][3] While studying for her DDS, she was a demonstrator in comparative dental anatomy and pathological bacteriology as well as a museum curator.
While studying for her MD, Latham was a secretary and lectured in stomatology and dental surgery at Northwestern, and in pharmacy.
She joined the Illinois State Dental Society in 1918 and became a lifelong member.
She researched throughout her career on oral surgery, operative dentistry, the neural anatomy of the jaw and teeth, palate tumors, oral cavity cysts, facial fractures, lead poisoning, aniline dyes, specimen preparation, blood tests for diabetes, the vasomotor system of teeth, and neoplasms of the tooth pulp.