Artificial teeth for anterior teeth portions
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United States of America Patent
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Mar 20, 1990
Grant Date -
N/A
app pub date -
Jul 25, 1989
filing date -
Aug 12, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An artificial tooth for anterior teeth portions including a concave hollow extending from a basal segment to a lingual incisal segment and located in a substantially central segment, wherein: a percentage of the major diameter of the hollow to the full length is in a range of 10% to 100%, a maximum depth of the hollow is in a range of 0.5 mm to 5.0 mm and a minimum thickness of a cervical segment is in a range of 0.1 mm to 5.0 mm, and a width and length of the cervical segment being defined in terms of a percentage of the cervical minimum mesiodistal length to the maximum mediodistal length being in a range of 50% to 100% and a percentage of the cervical major diameter to the full major diameter being in a range of 10% to 50%.
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