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Antes-Lewis Articulator and Grinder, 1904

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Designed By:
R.H. Antes and T. G. Lewis
Manufactured By:
Buffalo Dental Mfg. Co., Buffalo , NY
US Patent:
The Antes-Lewis model was not patented. Note the individual patents below.
Patent Date:


Description:

One of the earliest of the articulators with features to create the so-called “seesaw” denture grinding motions was patented by T. G. Lewis of Buffalo, NY, in 1900 (US Patent No . 659,871, October 16, 1900). By using right and left thumb plates, oscillating as well as protrusive movements on the horizontal plane could be achieved. A posterior “return” or tension spring was provided in a casing attached perpendicular to the yoke. Elements of Lewis' articulator were combined with that of R. H. Antes (US Patent No. 547,195, October 1, 1895) to create the Antes-Lewis Articulator.

Three quarter view of Antes-Lewis Articulator.
Three quarter view of Antes-Lewis Articulator.
Top view clearly showing the thumb plates and the center spring assembly.
Top view clearly showing the thumb plates and the center spring assembly.

Dr. Edgar N. Starcke's articles in the Journal of Prosthodontics have more information on the history of articulators.