Dental milling blank for the production of permanent indirect restorations in the CAD/CAM process, characterized in that it has a water sorption WSP of less than/equal to 15 μg/mm 3, measured according to ISO 4049 and an E modulus E greater than/equal to 15 GPa, measured according to the ADA specification No. 27 and a quotient Q of WSP/E of less than 1 μg/(GPa x mm 3) and consists of the polymerization product of a radically curable dental composition, which comprises a) inorganic fillers, wherein the total mass of the inorganic fillers is at least 83 wt.%, based on the total mass of the composition, b) radically polymerizable monomers, c) one or more initiators for radically curing, wherein the inorganic fillers a) comprise a1) a glass composition and a2) non-aggregated and non-agglomerated silicic acid with an average particle size of not more than 80 nm, wherein the glass composition a1) comprises a first glass composition a1a) with a D50 value from 0.4 - 1.0 μm and a second glass composition a1b) with a D50 value from 1.2 - 5.0 μm and wherein the mass ratio of a1a) to a1b) lies between 1:1.5 and 1:8 and the mass ratio of a2) to the sum of a1a) and a1b) lies between 1:3 and 1:6 and the ratio of the average particle size of the first microparticle fraction (a1a) to the average particle size of the second microparticle fraction (a1b) lies in the range from 1:1.5 to 1:10, wherein the D75 value of a1a) is smaller than the D25 value of a1b). a) inorganic fillers, wherein the total mass of the inorganic fillers is at least 83 wt.%, based on the total mass of the composition, b) radically polymerizable monomers, c) one or more initiators for radically curing, wherein the inorganic fillers a) comprise a1) a glass composition and a2) non-aggregated and non-agglomerated silicic acid with an average particle size of not more than 80 nm, wherein the glass composition a1) comprises a first glass composition a1a) with a D50 value from 0.4 - 1.0 μm and a second glass composition a1b) with a D50 value from 1.2 - 5.0 μm and wherein the mass ratio of a1a) to a1b) lies between 1:1.5 and 1:8 and the mass ratio of a2) to the sum of a1a) and a1b) lies between 1:3 and 1:6 and the ratio of the average particle size of the first microparticle fraction (a1a) to the average particle size of the second microparticle fraction (a1b) lies in the range from 1:1.5 to 1:10, wherein the D75 value of a1a) is smaller than the D25 value of a1b). wherein the inorganic fillers a) comprise a1) a glass composition and a2) non-aggregated and non-agglomerated silicic acid with an average particle size of not more than 80 nm, wherein the glass composition a1) comprises a first glass composition a1a) with a D50 value from 0.4 - 1.0 μm and a second glass composition a1b) with a D50 value from 1.2 - 5.0 μm and wherein the mass ratio of a1a) to a1b) lies between 1:1.5 and 1:8 and the mass ratio of a2) to the sum of a1a) and a1b) lies between 1:3 and 1:6 and the ratio of the average particle size of the first microparticle fraction (a1a) to the average particle size of the second microparticle fraction (a1b) lies in the range from 1:1.5 to 1:10, wherein the D75 value of a1a) is smaller than the D25 value of a1b).