Very severe gaps between the upper and lower teeth that are caused by misalignment of the jaw bones may require surgery, as well as braces. How we reviewed this article: Sources ...

Bite blocks, also called ramps or pumps, help prevent your upper teeth and lower teeth from touching while you have braces. For some people, using them may speed up orthodontic treatment.

In orthodontics, a bite refers to how the upper and lower teeth come together. ... After the braces correctly align the teeth, they may need to wear a retainer to keep them in position.

The idea is to pull your upper jaw forward to realign the upper and lower jaws. This treatment requires commitment. The headgear typically needs to be worn for 16 hours per day for about a year.