Despite the reluctance of patients and parents to have teeth extracted for orthodontic treatment, 65% to 80% of malocclusions must still be corrected by tooth extraction because the total number of modern human teeth is greater than the total number of jawbones. Due to genetic factors and refinement of food, the jaw bone lacks sufficient exercise, and cases of crowded misalignment such as those below are very common. Just as a small house cannot accommodate so many people, a few of them who are not very important must be asked to go out so that they can stand neatly in line. Before Orthodontics After Orthodontics