However, existed DO devices for mandibular elongation are mostly linear, which only lengthen bone in one direction, so a novel internal bidimensional distractor was invented by our team in hope to elongate mandibular ramus and body simultaneously and provide an alternative solution for mandibular retrognathia.

For eve r y rabbit we apply mandibular osteotomy, and then introduce internal distractors through which both the t.

The design and experimental study in vitro on 2-D expansion appliance for palate bone distraction osteogenesis;