A Brief History of the Anteroposterior Open-Mouth Radiograph

AP open-mouth radiograph set up in the B.J. Palmer Chiropractic Clinic around 1940. From the author's private collections. Donated to the author by Mary Coxon Dudley.

AP open-mouth radiograph showing the occipital condyles and foramen magnum's anterior margin. Reprinted courtesy of Department of Clinical Sciences, Sherman College of Straight Chiropractic.

Possibly the first published account of an actual AP open-mouth radiograph. Reprinted with permission from Palmer College of Chiropractic Archives.^7(p94)

Sketch of Dr Albers-Schonberg, author of Die Rontgentechnik.¹⁰ Reprinted with permission from Elsevier.⁹