摘要:
For composite materials having a total filler content of 80 to 95% by weight, containing A) 0.5 to 10% by weight of non-agglomerated nanofillers having particle sizes of 1 to 50 nm in the filler component, B) at least 60% by weight of a filler mixture of 50 to 90% coarse-particle and 10 to 50% fine-particle dental glass in the filler component, having a size ratio, relative to the average particle size (d50 value), of coarse to fine particles of >1:4 to 1:30, C) as monomer component, a monomer mixture of i. 60 to 80% bis-GMA or TCD-di-HEMA or TCD-di-HEA, ii. 10 to 18% UDMA, iii. Residual TEDMA and/or multifunctional crosslinkers, D) up to 1% photoinitiator(s); and E) optionally, at least one additional dental glass in the filler component having a different particle size than the coarse- and fine-particle dental glass, the polymerization shrinkage may be reduced to
摘要:
For composite materials having a total filler content of 80 to 95% by weight, containing A) 0.5 to 10% by weight of non-agglomerated nanofillers having particle sizes of 1 to 50 nm in the filler component, B) at least 60% by weight of a filler mixture of 50 to 90% coarse-particle and 10 to 50% fine-particle dental glass in the filler component, having a size ratio, relative to the average particle size (d50 value), of coarse to fine particles of >1:4 to 1:30, C) as monomer component, a monomer mixture of i. 60 to 80% bis-GMA or TCD-di-HEMA or TCD-di-HEA, ii. 10 to 18% UDMA, iii. Residual TEDMA and/or multifunctional crosslinkers, D) up to 1% photoinitiator(s); and E) optionally, at least one additional dental glass in the filler component having a different particle size than the coarse- and fine-particle dental glass, the polymerization shrinkage may be reduced to
摘要:
Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35.
摘要:
Dental composites comprising monomers, crosslinking agents, fillers, and initiators, in which the crosslinking agent comprises more than 50% by weight of the acrylate monomer TCD-DI-HEA, and the cyctotoxicity of the cured composite as determined according to the standard requirements of ISO 10993-5 and DIN EN ISO 7405 is assessed into the category “no cytotoxic potential”.
摘要翻译:包含单体,交联剂,填料和引发剂的牙科复合材料,其中交联剂包含大于50重量%的丙烯酸酯单体TCD-DI-HEA,以及根据标准要求确定的固化复合物的细胞毒性 ISO 10993-5和DIN EN ISO 7405被评估为“无细胞毒性潜力”类别。
摘要:
Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35.
摘要:
Compositions for dental composites comprisingmonomers, crosslinking agents, fillers, initiators, A the proportion of crosslinking agent being formed in an amount of more than 50% by acrylate monomers with a TCD urethane structure having the general formula in which A, X, Z, R1 R2 R3 and r have the meaning indicated in claim 1, provide polymerized composite materials with a particularly low cytotoxicity according to the standard requirements according to ISO 10993-5 and DIN EN ISO 7405.
摘要翻译:包含单体,交联剂,填料,引发剂的牙科复合材料的组合物A通过具有以下通式的TCD氨基甲酸酯结构的丙烯酸酯单体形成的交联剂的比例大于50%,其中A,X,Z, R1R2 R3和r具有权利要求1所述的含义,根据ISO 10993-5和DIN EN ISO 7405的标准要求,提供具有特别低的细胞毒性的聚合复合材料。
摘要:
Dental materials containing at least one dendritic compound composed of a core and two shells, the core and first and second shells of which are joined to one another by means of polyurethane groups, and the second shell of which is modified by reaction with a (meth)acrylate, exhibit improved mechanical properties, in particular elasticity, flexural strength, and improved rheological properties before curing.
摘要:
A dental material that contains di- and poly(meth)acrylates and an inorganic filler in the form of a finely divided synthetic crystalline silicic acid with a sheet structure and optionally a very finely ground glass.