The invention relates to a method for producing a lithium silicate glass or a lithium silicate glass ceramic containing cerium ions and which is particularly suitable for the production of dental restorations having fluorescence properties largely corresponding to those of natural teeth. The invention further relates to a lithium silicate glass and a lithium silicate glass ceramic obtainable according to the invention which are suitable for use as dental material and particularly for the production of dental restorations, and a glass-forming composition which is suitable for use in the method according to the invention.
