Front teeth, also known as buck teeth. Generally speaking, it will be accompanied by deep overlap and deep coverage. You can use the method of tooth traction and occlusal pad guidance to restore the method of depressing the lower anterior teeth. If the gap is not enough, you can also consider the method of meiotic extraction. Although orthodontics generally has little influence on alveolar bone and jaw bone and facial shape, this type of malocclusion will have a great influence on the shape of human lips because it can restore and change the position of front teeth. After this malocclusion is corrected successfully, it will greatly change people's appearance. After the position of teeth changes, the front and back position of lips will also change with the position of teeth. When we look at 1/3 from the front and side, people's appearance will change greatly. So many times, the family members of patients will say that it is like a different person before and after treatment.