Orifice opener, glide path file, shaping file and finishing file—for classic endodontic treatment, a compact system of nickel–titanium (NiTi) files is often sufficient to achieve reproducible results in the preparation of the respective root canal anatomy. The following case report illustrates how the skilful use of a fixed sequence of prebent files enables even dental practices with only occasional endodontic cases to develop a treatment routine in which they can have a high level of confidence. In addition, in this article, practical tips for drying and obturating root canals are provided