Artificial teeth
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 13, 1990
Grant Date -
N/A
app pub date -
Sep 30, 1988
filing date -
Oct 2, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An artificial tooth has a basal plane in which an areal ratio of a labial or buccal subplane to a lingual subplane is in a range of 10:1 to 1:10, and an angle that both subplanes make with a dental axis, i.e., an angle of retention, assumes a concave shape and is in a range equal to or larger than 45.degree. to less than 180.degree.. A retaining hole can be provided in the basal plane of the artificial tooth so as to further improve its performance.
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