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Orthodontic Articulator 1926 Constructed for the First International Orthodontic Congress in New York City, this orthodontic articulator consists of 14 maxillary and 14 mandibular teeth of cast aluminum, size approximately 1½ inches, mounted on a cast aluminum articulator, capable of demonstrating all three classes (Angle) of malocclusion. When originally constructed in 1926, the built-in appliance was a lower labial and lingual archwire. For comparison an additional appliance was built-in for the upper teeth in 1964, demonstrating twin Edgewise brackets (angulated) for the use of light and rectangular archwires. Student Box: Knots and Ligatures Washington University School of Dentistry Date Unknown: Between 1908-1925 The box demonstrates a student’s command of tying knots and ligatures. Table (Table is a replica. See front cover.) Inventor: Dr. Edward H. Angle (1855-1930) Patent Date: November 23, 1920 From the patent application: “My invention relates to tables employed by dentists, surgeons or other such professional practitioners for carrying within easy reach the tools, implements, materials and devices as may be required while operating, and is especially directed to tables adapted for the practice of orthodontia. The principle object of my invention is to provide a table that may be moved lineally toward and away from the patient in the chair, into the most convenient position for the needs of the operator.”


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