The impact of various parts of the face, especially chin and nose, on each other is undeniable. Sometimes your chin may have a normal condition while the upper jaw is too far forward or the lower jaw is too far backward, or there are contrary conditions, or the height of the chin and jaw is too long or too short. As the case, the chin bone can be repaired (genioplasty) or a prosthesis can be used to make a more favorable chin and thus a more favorable face for the patient.