초록

Provided herein are uncured dental composites suitable for, among other things, filling cavities in teeth.

대표청구항 ▼

1. An uncured dental composite material comprising (a) a composition comprising at least one compound of the formula: (b) at least 10 wt % radioopaque filler; and(c) a polymerization initiator;wherein with regard to Formula I: (i) n is in the range of from 1 to 5;(ii) R1 and R2 are each methyl;(iii)

1. An uncured dental composite material comprising (a) a composition comprising at least one compound of the formula: (b) at least 10 wt % radioopaque filler; and(c) a polymerization initiator;wherein with regard to Formula I: (i) n is in the range of from 1 to 5;(ii) R1 and R2 are each methyl;(iii) Z1 and Z2 are each independently selected and are represented by the formula and (iv) R3 and R4 are each independently selected and are represented by the formula wherein: (A) for groups Z1 and Z2, X and Y are each H; for groups R3 and R4, q=0, r=1-5 and s=5; R5 and R6 are each  or(B) for groups Z1 and Z2 , X and Y are either H or methyl, providing that X and Y are not the same; for groups R3 and R4, q=1-11, r=0, s=0, X and Y are either H or methyl, providing that X and Y are not the same; R5 and R6 are each wherein a and b are each independently an integer in the range of 0 to 6 and a +b=2-6; or (C) for groups Z1 and Z2, X and Y are either H or methyl, providing that X and Y are not the same; for groups R3 and R4, q=1-11, r=0, s=0, X and Y are either H or methyl, providing that X and Y are not the same; R5 and R6 are each 2. The uncured dental composite material of claim 1 further comprising at least one additional polymerizable (meth)acrylic ester not of Formula I. 3. The uncured dental composite material of claim 2 wherein the additional polymerizable (meth)acrylic ester not of Formula I is a difunctional (meth)acrylate monomer. 4. The uncured dental composite material of claim 3 wherein the additional polymerizable (meth)acrylic ester(s) not of Formula I has a refractive index greater than the refractive index of the composition comprising at least one compound of Formula I. 5. The uncured dental composite material of claim 3 wherein the difunctional (meth)acrylate monomer is 2,2′-bis[4-(2-hydroxy-3-methacryloyloxypropyl)phenyl]propane. 6. The uncured dental composite material of claim 3 wherein the difunctional (meth)acrylate monomer is dimethacryloxy ethoxylated 9,9′-bis(4-hydroxyphenyl) fluorene monomer. 7. The uncured dental composite material of claim 3 wherein the difunctional (meth)acrylate monomer is ethoxylated Bisphenol A dimethacrylate. 8. The uncured dental composite material of claim 7 further comprising dimethacryloxy ethoxylated 9,9′-bis(4-hydroxyphenyl) fluorene monomer. 9. A dental restoration article that is made by forming and curing the uncured dental composite material of claim 1.