DENTAL CEMENT COMPOSITIONS AND METHODS OF USE
Provided herein are dental compositions and methods for use in dental cementation applications.
1 - 22 . (canceled)
23 . A dental composition kit comprising:
a first composition comprising a polymerizable monomer; and
a second composition to be mixed with the first composition to form a paste mixture, wherein the second composition comprises at least one thiourea compound,
wherein the first composition or the second composition further comprises a copper (II) compound.
24 . The dental composition kit of claim 23 , wherein the first composition comprises the copper (II) compound.
25 . The dental composition kit of claim 23 , 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.
26 . The dental composition kit of claim 23 , wherein the thiourea is 1-(2-Pyridyl)-2-thiourea (PTU).
27 . The dental composition kit of claim 23 , wherein the first composition further comprises a tertiary hydroperoxide.
28 . The dental composition of claim 27 , wherein the tertiary hydroperoxide is Cumene hydroperoxide (CHP).
29 . The dental composition kit of claim 23 , further comprising a bonding agent to be applied on a dental substrate to have bond strength of more than about 15 Mpa.
30 . The dental composition kit of claim 23 , further comprising a bonding agent to be applied on a dental substrate, the bonding agent comprising about 8% to about 16% of phosphoric acid containing (meth)acrylic monomer).
31 . The dental composition kit of claim 30 , wherein the phosphoric acid containing (meth)acrylic monomer is selected from the group consisting of GPDM (glycerol phosphate di(meth)acrylate{(meth)acrylate-acrylate or methacrylate}), phenyl-P (phenyl methacryloxyethyl phosphate), PENTA-P (dipentaerithritol pentaacrylate phosphate), 10-MDP (methacryloyloxydecyl phosphate), HEMA-P (hydroxyethylmethacrylate phosphate), HEA-P (hydroxyethylacrylate phosphate), bis(HEMA)-P {bis(hydroxyethylmethacrylate) phosphate), bis(HEA)-P {bis(hydroxyethylacrylate) phosphate), bis((meth)acryloxypropyl)phosphate, and combinations thereof.
32 . The dental composition kit of claim 23 , further comprising a bonding agent to be applied on a dental substrate, the bonding agent comprising about 8% to about 16% of 10-Methacryloyloxydecyl dihydrogen phosphate (10-MDP).
33 . The dental composition kit of claim 29 , wherein the dental substrate is Zirconia.
34 . A device to apply a dental paste mixture comprising:
a first chamber containing a first composition comprising a polymerizable monomer; and
a second chamber containing a second composition to be mixed with the first composition to form a paste mixture, wherein the second composition comprises at least one thiourea compound,
wherein the first composition or the second composition further comprises a copper (II) compound.
35 . The device of claim 34 , further comprising at least one extruder to extrude the first composition from the first chamber or the second composition from the second chamber.
36 . The device of claim 34 , 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.
37 . The device of claim 34 , wherein the first composition further comprises a tertiary hydroperoxide.
38 . A dental restoration kit comprising:
the device of claim 34 ; and
a bonding agent to be applied on a dental substrate to have bond strength of more than about 15 Mpa.
39 . The dental restoration kit of claim 38 , wherein the bonding agent comprises about 8% to about 16% of phosphoric acid containing (meth)acrylic monomer), wherein the phosphoric acid containing (meth)acrylic monomer is selected from the group consisting of GPDM (glycerol phosphate di(meth)acrylate {(meth)acrylate-acrylate or methacrylate}), phenyl-P (phenyl methacryloxyethyl phosphate), PENTA-P (dipentaerithritol pentaacrylate phosphate), 10-MDP (methacryloyloxydecyl phosphate), HEMA-P (hydroxyethylmethacrylate phosphate), HEA-P (hydroxyethylacrylate phosphate), bis(HEMA)-P {bis(hydroxyethylmethacrylate) phosphate), bis(HEA)-P {bis(hydroxyethylacrylate) phosphate), bis((meth)acryloxypropyl) phosphate, and combinations thereof.
40 . A method of dental restoration, wherein the method comprises:
applying a bonding agent on a dental substrate:
mixing a first composition comprising a polymerizable monomer and a second composition, wherein the second composition comprises at least one thiourea compound: and
applying the mixed first and second compositions to the dental substrate applied with the bonding agent,
wherein the first composition or the second composition further comprises a copper (II) compound.
41 . The method of claim 40 , 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.
42 . The method of claim 40 , wherein the first composition further comprises a tertiary hydroperoxide.
43 . The method of claim 40 , wherein the bonding agent is to be applied on a dental substrate to have bond strength of more than about 15 Mpa.
44 . The method of claim 40 , wherein the bonding agent comprises about 8% to about 16% of phosphoric acid containing (meth)acrylic monomer), wherein the phosphoric acid containing (meth)acrylic monomer is selected from the group consisting of GPDM (glycerol phosphate di(meth)acrylate {(meth)acrylate-acrylate or methacrylate}), phenyl-P (phenyl methacryloxyethyl phosphate), PENTA-P (dipentaerithritol pentaacrylate phosphate), 10-MDP (methacryloyloxydecyl phosphate), HEMA-P (hydroxyethylmethacrylate phosphate), HEA-P (hydroxyethylacrylate phosphate), bis(HEMA)-P {bis(hydroxyethylmethacrylate) phosphate), bis(HEA)-P {bis(hydroxyethylacrylate) phosphate), bis((meth)acryloxypropyl)phosphate, and combinations thereof.