Workers were readying commercial space at the T.B. Converse Building, located on North Patterson Street in Downtown Valdosta, when they found an estimated 1,000 teeth buried in a second floor wall. [...]
Greensboro and Carrolton, two Georgia cities, both have had buildings where teeth have been found in the walls, Hill said. She said those buildings were former dental offices.
"I'm not sure if it was a common practice between dentists at that time, but it's very strange that there were two other people that said, 'Hey, we've had that happen, too,'" she said.
I'm pretty sure this is from the Henry Rollins story, "That time Ian MacKaye got us fired from our summer job as dental hygienists."