Whitehead's dental mouth gag
Used to open the mouth during dental work, or when the mouth cannot open naturally because of forward dislocation of the jaw joint's intraarticular cartilage pad
Nickel-plated steel instrument with ridges along each side to allow the dentist to gradually open the patients' mouth wider.
Contact the History of Medicine Collection, https://library.buffalo.edu/historyofmedicine
Dental mouth gag
Whitehead, Walter, “Whitehead's dental mouth gag,” Digital Collections - University at Buffalo Libraries, accessed November 27, 2020, https://digital.lib.buffalo.edu/items/show/16856.