An intermaxillary fixation system is provided, including a bone anchorage screw having at least one of an elongated head with internal threading and an externally threaded screw extending from a head of the bone anchorage screw, a fixation system, and a rail bar. A method for the stabilization and fixation of maxillary and mandibular arches is also provided, including setting a plurality of bone anchorage screws to the maxillary and mandibular arch, each bone anchorage screw having a head, fixing one or more T-shaped bars to the bone anchorage screws, bending and connecting a rail bar to heads of the one or more T-shaped bars with orthodontic screws, and wrapping a connector between the heads of the bone anchorage screws located on the mandibular arch and the maxillary arch.