From the September 4, 1892 New York Times:

“St. Paul, Minn.–Miss Josie Letson of Minneapolis has been lying at the point of death at the Northwestern Hospital for the last six weeks, but because of a remarkable surgical operation, will recover. She had been taking nothing but liquid food for over a year and had become so weak she could not raise her head.

As a last resort, physicians, by the use of a stethoscope, located an obstruction in the aesophagus about two inches below the clavicle, or collar bone. Miss Nelson was given no anesthetic and an incision was made on the left side of the neck about 4 1/2 inches in length.

The doctors dissected down to the aesophoaus, opened it, ad there found two teeth pointed downward, firmly inserted in the interior walls of the aesophagus. They almost entirely obstructed the passage.

Miss Nelson said six years ago, while in a fit of laughter, she swallowed the two teeth, which were then attached to a triangular piece of rubber in her gums.”