The invention relates to bifocal dentoalveolar distraction osteogenesis device and in particular, this invention relates to a dentoalveolar distraction osteogenesis device that detects an intraoral rigid tooth borne canine. This invention also relates to dentoalveolar distraction osteogenesis device which consists of sliding rod, one guidance bar, metal plate, distraction screw and screw wrench made of medical stainless steel. This invention also relates to dentoalveolar distraction device which causes less irritation to the intraoral tissues during distraction due to one guidance bar. This invention also relates to a dentoalveolar distraction osteogenesis device having simple structure , user friendly and cost effective.