What is an underbite?
An underbite is a situation where the lower jaw sits forward in front of the upper jaw – it is sometimes called a reverse bite or class III bite. The severity can vary and will affect how it can be treated.
What causes an underbite?
It is usually caused by the top and bottom jaws being different sizes. It can also be cause due to missing teeth in the upper jaw which causes the jaw to shrink in relation to the lower jaw.
How to fix underbite?
There are many ways to fix an underbite with Invisalign being a great option. However jaw surgery may be needed in some cases. Whilst jaw surgery isn’t always an option for patients for a number of reasons (cost, practicality etc), quite often underbites can be fixed with Invisalign clear braces even with a result which isnt perfect, but significantly improved.
Can invisalign fix underbite?
Yes and it can work very well. Sometimes teeth extractions may be required in order for the lower teeth to sit inside of the upper teeth.
Here are a few cases treated with Invisalign to correct underbite.
Overbite vs Underbite
Overbite
- Top jaw usually larger than the lower jaw
- Missing lower teeth can cause an overbite
- Lower jaw is often quite smaller which causes an overbite
Underbite
- Lower jaw is forwards compared to upper jaw.
- This can happen if there are teeth missing in the upper jaw.
- This is often caused by a larger lower jaw.
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