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US 10,646,410 B2Granted
Dental cement
AssigneeGC Corporation
InventorsRyosuke Yoshimitsu, Satomi Tateiwa, Shigenori Akiyama, Katsushi Yamamoto, Syouichi Fukushima
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Abstract
In one aspect of the present invention, a dental cement contains a glass powder, wherein the glass powder contains zinc, silicon, and fluorine and does not substantially contain aluminum.
Claims15
A dental cement comprising:
- a glass powder,
- wherein the glass powder contains zinc, silicon, and fluorine and does not substantially contain aluminum,
- wherein a content of zinc in the glass powder in terms of zinc oxide (ZnO) is greater than or equal to 10% by mass and less than or equal to 60% by mass,
- wherein a content of silicon in the glass powder in terms of silicon oxide (SiO2) is greater than or equal to 15% by mass and less than or equal to 50% by mass, and
- wherein a content of fluorine (F) in the glass powder is greater than or equal to 1% by mass and less than or equal to 30% by mass.
2 more elements
Dependencies are inferred from the claim text.