Artificial anterior tooth having frictional surface at...

Dentistry – Prosthodontics – Cutting edge shape or arrangement

Reexamination Certificate

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C433S202100

Reexamination Certificate

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07918665

ABSTRACT:
An artificial anterior tooth capable of grinding food is provided. The lingual side of an artificial anterior tooth is provided with a protuberance for forming a frictional surface dented in an arch shape as seen from the mesiodistal direction, and the labial side of an opposite artificial lower tooth is provided with a protuberance for forming a sliding surface abutting the frictional surface and sliding on the frictional surface by a sliding motion of the upper and lower jaws.

REFERENCES:
patent: 647400 (1900-04-01), Glew
patent: 2144198 (1939-01-01), Page
patent: RE24045 (1955-07-01), Dahl et al.
patent: 2768440 (1956-10-01), Elliott
patent: 3252220 (1966-05-01), Goddard
patent: 6464495 (2002-10-01), Voudouris
patent: 7-67890 (1995-03-01), None
Sato et al, Machine Translation of JP 07-067890, Mar. 1995, accessed at JPO website on Apr. 20, 2010.
Notice of Reason for Rejection (in English language) issued Feb. 9, 2010 in corresponding Japanese Patent Application No. 2009-234295.

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