Toothbrush handle found by archeologisits. A bone toothbrush handle, found during excavtions at the M'Clintock House, Waterloo, points to nineteenth century oral hygiene methods. Through other research, we know that Mary Ann M'Clintock suffered from severe toothache. In 1854, her new son-in-law, James Truman, extracted her teeth and made a new set of false teeth for her. This item is an example of an artifact recovered during an archeological investigation at the M'Clintock House.