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US 11,998,622 B2Granted
Dental cement compositions and methods of use
AssigneeZest IP Holdings, LLC
InventorsXiangxu Chen, Matthew Marc Durban, Lingyan Julia Wang
Life of this patent
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Abstract
Provided herein are dental compositions and methods for use in dental cementation applications.
Claims22
A dental composition kit comprising:
- a first composition;
- and
- a second composition to be mixed with the first composition to form a paste mixture,
- wherein the first composition comprises at least one polymerizable monomer, a copper (II) compound, and a tertiary hydroperoxide,
- wherein the second composition comprises a thiourea compound, and
- wherein the thiourea compound is selected from the group consisting of 1-(2-Pyridyl)-2-thiourea (PTU), 1-Benzoyl-2-thiourea (BTU), 1-Acetyl-2-thiourea (ATU), 1-(2-Tetrahydrofurfuryl)-2-thiourea (TTU), and combinations thereof.
3 more elements
A device to apply a dental paste mixture comprising:
- a first chamber containing a first composition;
- and
- a second chamber containing a second composition to be mixed with the first composition to form a paste mixture,
- wherein the first composition comprises at least one polymerizable monomer, a copper (II) compound, and a tertiary hydroperoxide, and
- wherein the second composition comprises a thiourea compound, wherein the thiourea compound is selected from the group consisting of 1-(2-Pyridyl)-2-thiourea (PTU), 1-Benzoyl-2-thiourea (BTU), 1-Acetyl-2-thiourea (ATU), 1-(2-Tetrahydrofurfuryl)-2-thiourea (TTU), and combinations thereof.
2 more elements
A method of dental restoration, wherein the method comprises:
- applying a bonding agent on a dental substrate
- mixing a first composition comprising at least one polymerizable monomer, a copper (II) compound, and a tertiary hydroperoxide and a second composition comprising a thiourea compound, wherein the thiourea compound is selected from the group consisting of 1-(2-Pyridyl)-2-thiourea (PTU), 1-Benzoyl-2-thiourea (BTU), 1-Acetyl-2-thiourea (ATU), 1-(2-Tetrahydrofurfuryl)-2-thiourea (TTU), and combinations thereof;
- and
- applying the mixed first and second compositions the dental substrate applied with the bonding agent.
1 more element
Dependencies are inferred from the claim text.