摘要:
Foam-generating, hardening composition for making impressions of biological surfaces include A at least one impression material based on i isocyanates, which react with mono- and multi-functional amines and/or compounds having hydroxyl groups, to form urethane or urea, or ii A-silicones, or iii C-silicones, or iv Polyethers, or v alpha-silanes, or vi mixtures of two or more materials i to v, and optionally B at least one foaming agent. Impressions of biological surfaces made from this compound have a foam with closed pores.
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 materials containing an aqueous and/or organic solvent or dispersion with nanoparticles dispersed in it that have an average particle size of 1 to
摘要翻译:含有水分和/或有机溶剂或分散体的分散体,其中分散有纳米颗粒的平均粒度为1至10nm并且不结块的牙科材料特别适合用作填充复合材料,紧固水泥,假体基材,冠 单板复合材料和桥面板复合材料或粘合剂。 优选地,根据本发明的牙科材料含有SiO 2和/或ZrO 2和/或Al 2 O 3, 和/或TiO 2纳米颗粒。
摘要:
Temperature and/or irradiation and/or polymerization indicators comprise at least one 1,3-dipole and at least one dipolarophile, the dipole preferably being an ylide from the group of azomethines (sydnones), azomethinylides (munchnones), carbonylylides (isomunchnones), thiocarbonylylides (thioisomunchnones), or 1,3-dithiolylium-4-olates.
摘要:
A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.
摘要:
A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.
摘要:
An autopolymerizing two-component prosthetic base material consisting of A) a liquid monomer component, B) a powdered filler-containing component containing at least one bead polymer modified by an elastic phase, which yields after curing a high-impact prosthetic plastic having a fracture toughness of ≧2 MPa·m1/2 and a fracture work of ≧900 J/m2.
摘要翻译:由A)液体单体组分组成的自聚合双组分假体基材,B)含有至少一种由弹性相改性的珠粒聚合物的含粉末填料的组分,其在固化具有断裂的高冲击假体塑料后产生 ≥2MPa·m 1/2的韧性,> 900J / m 2以下的断裂加工。
摘要:
A container (10, 30, 50) is provided for single- or multi-component molding materials. The container has a container body (12, 32, 52) having a constant outer contour in a longitudinal extent of the container (10, 30, 50), a piston (17, 37) movable in the longitudinal direction, and a cover (11, 31) having an outlet opening (13, 33, 53). A volume for a molding material is defined between the piston (17, 37) and the cover (11, 31), the volume being variable in the direction of the longitudinal extent of the container (10, 30, 50). The container distinguishes itself in that the container body (12, 32, 52) is rotatable relative to the outlet opening (13, 33, 53), and the piston (17, 37) thereby pushes out the content of the container (10, 30, 50).
摘要:
Single-use cartridges for the storing and dispensing of dental two-component impression materials have a closable external chamber with a cylinder-shaped external wall, a cylindrical closable internal chamber that is arranged coaxially or eccentric therein, a mixing element including housing and mobile mixer that is to be mounted separately or connected firmly to the external chamber at its inlet end. Either the internal cylindrical chamber is arranged such that it can be rotated and forms the drive shaft for the mobile mixer part of the mixing element, or the drive shaft extends parallel to the central axis through the internal cylindrical chamber or forms the central axis. The content of the chambers can be dispensed by means of conveying means whose axial thrust motions can be controlled independent of each other.