Method to produce a dental structure, such as a coping or crown, using a cavity that has a negative shape of the structure, which is formed in an investment material using a model which prescribes the shape of the cavity and can be removed, wherein flowable lithium silicate glass ceramic is pressed into the cavity, characterized in that a surface compressive stress is created in the ceramic structure through the replacement of lithium ions by alkali ions of greater diameter, in that the model is enriched with alkali compounds or the model is covered with a layer of material containing alkali ions; wherein the layer is applied with a thickness D where 10 μm ≤ D ≤ 100 μm; and wherein the lithium silicate glass ceramic is derived from a glass melt that contains the following starting components in percentage by weight - SiO 2 50 - 80, preferably 52 - 70, especially preferred 56 - 61 Nucleating agents such as P 2 O 5 0.5 - 11, preferably 3 - 8, especially preferred 4 - 7 - Al 2 O 3 0 - 10, preferably 0.5 - 5, especially preferred 1.5 - 3.2 - Li 2 O 10 - 25, preferably 13 - 22, especially preferred 14 - 21 - K 2 O 0 - 13, preferably 0.5 - 8, especially preferred 1.0 - 2.5 - Na 2 O 0 - 1, preferably 0 - 0.5, especially preferred 0.2 - 0.5 - ZrO 2 0 - 20, preferably 4 - 16, in particular 6 - 14, especially preferred 8 -12 - Ce02 0 - 10, preferably 0.5 - 8, especially preferred 1.0 - 2.5 - Tb 4 O 7 0 - 8, preferably 0.5 - 6, especially preferred 1.0 - 2.0 - optionally an oxide or a number of oxides of an earth alkali metal or a number of earth alkali metals from the group magnesium, calcium, strontium, barium 0 - 20, preferably 0 - 10, especially preferred 0 - 5, - optionally one or more additives from the group B 2 O 3 , MnO 2 , Fe 2 O 3 , V 2 O 5 , TiO 2 , Sb 2 O 3 , ZnO, SnO 2 and fluorides 0 - 6, preferably 0 - 4, - optionally one or more oxides of the rare earth metals with the atomic numbers 57, 59 - 64, 66 - 71, in particular lanthanum, yttrium, praseodymium, erbium and europium, 0 - 5, preferably 0 - 3. - SiO 2 50 - 80, preferably 52 - 70, especially preferred 56 - 61 Nucleating agents such as P 2 O 5 0.5 - 11, preferably 3 - 8, especially preferred 4 - 7 - Al 2 O 3 0 - 10, preferably 0.5 - 5, especially preferred 1.5 - 3.2 - Li 2 O 10 - 25, preferably 13 - 22, especially preferred 14 - 21 - K 2 O 0 - 13, preferably 0.5 - 8, especially preferred 1.0 - 2.5 - Na 2 O 0 - 1, preferably 0 - 0.5, especially preferred 0.2 - 0.5 - ZrO 2 0 - 20, preferably 4 - 16, in particular 6 - 14, especially preferred 8 -12 - Ce02 0 - 10, preferably 0.5 - 8, especially preferred 1.0 - 2.5 - Tb 4 O 7 0 - 8, preferably 0.5 - 6, especially preferred 1.0 - 2.0 - optionally an oxide or a number of oxides of an earth alkali metal or a number of earth alkali metals from the group magnesium, calcium, strontium, barium 0 - 20, preferably 0 - 10, especially preferred 0 - 5, - optionally one or more additives from the group B 2 O 3 , MnO 2 , Fe 2 O 3 , V 2 O 5 , TiO 2 , Sb 2 O 3 , ZnO, SnO 2 and fluorides 0 - 6, preferably 0 - 4, - optionally one or more oxides of the rare earth metals with the atomic numbers 57, 59 - 64, 66 - 71, in particular lanthanum, yttrium, praseodymium, erbium and europium, 0 - 5, preferably 0 - 3. <EOS>