The lower teeth protrude past the front teeth. An underbite is usually caused by undergrowth of the upper jaw, overgrowth of the lower jaw, or a combination of the two (Class III relationship). Underbite can also be caused by flared upper incisors, missing lower teeth, or a combination of all the above. Early correction of underbite is recommended.
Underbite should be corrected because it can:
How can an underbite be orthodontically corrected?
Underbite can be corrected through growth modification of the jaws, extraction of teeth and in some cases, surgical correction of the jaws. It is very important to see these patients at age seven to begin orthopedic growth modification while the bones of the face are pliable.