CURABLE COMPOSITION FOR PRODUCING A DENTAL COMPOSITE CROWN AND PROCESS OF PRODUCTION

• Main Authors: KORTEN MALTE, MAYR HELMAR, ECKERT ADRIAN, HECHT REINHOLD, HOFMANN BERNHARD, HERRMANN ANDREAS, RAIA GIOACCHINO, GUGGENBERGER RAINER, KAPPLER OLIVER, SCHECHNER GALLUS
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2020
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

The invention relates to a curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt.% with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt.% with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23 DEG C and a shear rate of 1s-1. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method. 本发明涉及可固化组合物，该可固化组合物用于制备牙科复合冠，该组合物包含：树脂基质，该树脂基质包含不包含氨基甲酸酯