Often young people can loose milk teeth in case of injury or any dental disease. To prevent malocclusion in future orthodontists in New Mexico use personal space controllers ? devices that are used for treatment of teenagers who still has milk teeth. This device is set in places where the tooth was lost to help support the remaining teeth and jaw structure. It also prevents replacement of other teeth to the space that was left by the missing milk tooth, which can lead to the changing of bite structure when new tooth will erupt. They are very convenient and cause no pain or discomfort.