1. A dental furnace comprising a display device and an operating device, wherein the operating device is integrated in the display device by forming a touch screen, wherein the operating device facilitates the selection of programs for the firing of dental restoration parts in the dental furnace, wherein the operating device allows the input of further parameters for a firing cycle, wherein an operating element facilitates the control of a final firing program of the dental furnace, with different values for the temperature as well as for the duration of the final firing, the operating element causing the simultaneous adjusting of temperature and duration of time parameters of the final firing, wherein the operating element is connected to a control device for the final firing program, and wherein the control device adjusts the temperature and duration of the final firing and increases the duration as the temperature increases.