A dental material comprising a symmetrically rod-shaped fiber-reinforced composite comprising at least two layers of preimpregnated fibers, wherein the preimpregnated fibers comprise fibers coated with a resin, wherein the layers are unbraided, and wherein each layer is unidirectionally disposed on the preceding layer in a direction that is different from the direction of the preceding layer. The rod-shaped composite may be hollow and contain a channel throughout the axial length of the rod or may contain a shaft or other material that is inserted into the channel.