The invention relates to a firing furnace or press furnace for dental restoration, which comprises: a control device for controlling the furnace (10) on the basis of at least one firing/pressing program a display device (18), at least for the display of operating information using symbolic images an input device (20), at least for the selection of a firing/pressing program wherein the control device is set up in such a manner that after a control program has been selected the furnace (10) can be switched into a safety mode in which the furnace displays one or more items of operating information and in which the input of firing or pressing parameters of the control program and/or the selection of a firing or pressing program is blocked.
