In 1928, Washington University School of Dental Medicine relocated to 4559 Scott Avenue at the Washington University School of Medicine campus.

[2] In 1958 the University launched the Baby Tooth Survey, led by Dr. Louise Reiss and with funding from the Greater St. Louis Citizen's Committee for Nuclear Information (CNI), which studied strontium-90 absorption of children by examining their deciduous teeth.

[3] During the 1970s the University began an experimental three-year DMD curriculum.

In 1989 Wash U's board of trustees voted to close the School of Dental Medicine.

The board said that the decision was based upon budget deficits, increasing tuition rates, competition from less-expensive state-funded dental schools, limited outside funding, and a declining student enrollment.