The present study reports the treatment methods for two dogs with tooth-occlusion abnormalities using orthodontic-jaw appliances. The prevailing majority of dental topographic disorders deal with pathological tooth positioning in the dental arch. This type of dental abnormality in juvenile dogs may produce damage of the oral cavity mucosa that consequently develops non-healing decubitus ulcers. In such instances orthodontic procedures designed to correct the causative teeth positioning in the dental arch remain the treatment of choice. Dogs with occlusal disharmony can be provided with an orthodontic cure through mounting a fixed active appliance or Schwarz single-jaw plate.