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"Millerator" Denture Grinder, c. 1970's

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Designed By:
Leslie E. Renner, et al, of Sacramento, California
Manufactured By:
Motor manufactured by the Bodine Electric Company.
US Patent:
Patent Date:


Accompanying documentation would indicate that this model was probably a home-made prototype of a grinding machine planned to be patented. The idea, but certainly not the mechanism, was inspired by the House Articulator. For example, the maxillary denture produces the grinding motion while the mandibular denture is stationary. The two-speed motor is activated by pulling the white knob located on the right end of the front plate. The grinding pattern on the denture teeth is elliptical and is produced by reciprocal or “seesaw” action of the controls in the “condylar” positions.

"Millerator" Denture Grinder, c. 1970's
"Millerator" Denture Grinder, c. 1970's
"Millerator" Denture Grinder, c. 1970's

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