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Dental Plaster

Circa 1890 | Object #: 0545.0001

Creating accurate dental impressions of the mouth was, and still is, a key part of prosthetic dentistry. The specific materials used in the process have changed over time, but in the late 1800s, plaster was most often used to make cast molds from a wax impression.

 
 
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4/4: 1860: The Whitcomb Dental Operating Chair was the first to permit raising and lowering of the seated patient. Courtesy of Pictorial Histories Publishing Co, Missoula, MT - Glenner, 1984

4/4: 1860: The Whitcomb Dental Operating Chair was the first to permit raising and lowering of the seated patient. Courtesy of Pictorial Histories Publishing Co, Missoula, MT - Glenner, 1984

 
 

Pre 1890 chairs

1/5: 1832: Englishman James Snell made the first mechanical dental chair with an adjustable seat and back. Leaning back in this circa- 1830s mobile reclining chair (A3.1) automatically raises the footrest. University of the Pacific Permanent Collec

1/5: 1832: Englishman James Snell made the first mechanical dental chair with an adjustable seat and back. Leaning back in this circa- 1830s mobile reclining chair (A3.1) automatically raises the footrest. University of the Pacific Permanent Collection, Donor: Unknown. Photograph by Jon Draper.

2/5: 1868: A unique mechanism in the James Beall Morrison Dental Chair allowed the dentist to tilt the patient in any direction. Courtesy of Abrams/Mosby Publ, New York, NY — Ring, 1985

2/5: 1868: A unique mechanism in the James Beall Morrison Dental Chair allowed the dentist to tilt the patient in any direction. Courtesy of Abrams/Mosby Publ, New York, NY — Ring, 1985

3/5: 1872: Four years later, J.B. Morrison invented the first chair with an unprecedented vertical range of 27 inches. Such height adjustment flexibility allowed the dentist to choose between working while sitting or while standing. Courtesy of Pic

3/5: 1872: Four years later, J.B. Morrison invented the first chair with an unprecedented vertical range of 27 inches. Such height adjustment flexibility allowed the dentist to choose between working while sitting or while standing. Courtesy of Pictorial Histories Publishing Co, Missoula, MT - Glenner, 1984

5/5: Patent

5/5: Patent

4/5: S.S. White Dental Manufacturing Co., Cycloid Dental Chair Original Upholstery. Patented December 28, 1875, the cycloid dental chair catered to the beginning dentist. The chair was lightweight and yet well balanced.

4/5: S.S. White Dental Manufacturing Co., Cycloid Dental Chair Original Upholstery. Patented December 28, 1875, the cycloid dental chair catered to the beginning dentist. The chair was lightweight and yet well balanced.

 
 

Neo Recoco Style

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