The reason for the widening of the jawbone is related to some mechanical damage. For example, in normal times, if excessive chewing or excessive stimulation may cause changes in the jawbone, because local stimulation may affect the local hormone secretion, then it may cause growth performance. In addition, this condition is also related to excessive chewing of hard food, and the irritation is more obvious when chewing hard food. At the same time, the widening of the jaw bone may be caused by congenital developmental problems. Because everyone’s skeleton is different, there will be certain changes in the process of development, especially for adolescents, in the early stage can not be completely judged, but in the middle and late stages, he may be due to lifestyle habits, diet habits that cause such changes in the jaw bone.