ANN ARBOR, MI — The University of Michigan School of Dentistry first opened in 1875 in the former home of a faculty member. After 150 years, the school is one of the top dental institutions globally.

The school, celebrating its 150th anniversary, now operates in a robust research complex at North Campus.

Archival photos show its changes from a single home to a bustling research and patient care center.

The idea of a UM dental school first came in 1866 when the Michigan Dental Association, then known as the Michigan State Dental Society, proposed a university-level dental education program to the UM Board of Regents.

The association proposed the program three times before the regents approved its establishment in 1875, UM School of Dentistry Dean Jacques Nör said.

Its first cohort had

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