Can Invisalign Fix Underbite?

An underbite is a type of malocclusion where the lower front teeth are positioned in front of the upper teeth when the mouth is closed. If you have an underbite, you might be wondering if Invisalign can help you fix it. Invisalign is a popular option for people who want to straighten their teeth without metal braces. But can it also correct an underbite?

Invisalign can fix many simple underbite cases where only the teeth are misaligned. However, if your underbite is more severe and involves the jaw bone you may need braces or surgery to correct it. Invisalign may not provide enough force or control to move the jaw bone into the right place.

Can Invisalign Fix Underbite?

Yes, Invisalign can potentially help fix an underbite. It works by gradually shifting your teeth into the correct alignment using a series of custom-made clear aligners. However, the effectiveness may depend on the severity of the underbite.

Pros and Cons of Using Invisalign for Underbite


  • Invisalign is a discreet and comfortable way to correct underbite without metal braces.
  • Invisalign can improve your oral health by reducing the risk of tooth decay, gum disease, and jaw problems caused by underbite.
  • Invisalign can enhance your appearance and confidence by giving you a more balanced and attractive smile.
  • Invisalign can be removed for eating, brushing, and flossing, which makes it easier to maintain good hygiene and enjoy your favorite foods.
  • Invisalign can be customized to fit your teeth and bite, which ensures optimal results and comfort.


  • Invisalign may not be suitable for severe cases of underbite, which may require surgery or other orthodontic treatments.
  • Invisalign may be more expensive than traditional braces.

How Long Does Invisalign Take for Underbite?

The duration of Invisalign treatment for underbite depends on several factors such as:

The Severity of Your Underbite

The more severe your underbite is the longer it will take to correct it with Invisalign. Generally, mild to moderate underbites can be treated with Invisalign in 12 to 18 months while severe underbites may require 24 months or more.

Related Post: Fix an Overbite

The Complexity of Your Case

The more complex your case is the longer it will take to treat it with Invisalign. For example, if you have other dental issues besides an underbite such as crowding, spacing, or crossbite, you may need additional aligners or attachments to address them.

Your Compliance with The Treatment Plan

The success of your Invisalign treatment depends largely on how well you follow your orthodontist’s instructions. You need to wear your aligners for at least 20 to 22 hours per day and change them every one to two weeks as directed.

What Causes an Underbite?

An underbite can have various causes such as genetics environmental factors or developmental issues.

Some of the common causes are:


An underbite can run in families and be inherited from parents or grandparents. If one or both parents have an underbite their children are more likely to have one as well.

Early Loss of Baby Teeth

Losing baby teeth too early can affect the development and alignment of the permanent teeth. The lower teeth may erupt before the upper teeth and prevent them from growing properly.

Prolonged Pacifier Use or Bottle Feeding

Using a pacifier or a bottle for too long can put pressure on the teeth and jaws and cause them to move out of place. The lower jaw may develop faster than the upper jaw and result in an underbite.

Mouth Breathing

Breathing through the mouth instead of the nose can affect the shape and position of the jaws and teeth. The tongue may rest on the lower teeth and push them forward, while the upper jaw may narrow and recede.

Invisalign Underbite Before and After

Before and after photos show how Invisalign can improve the appearance and function of the bite as well as the smile.

Case 1:

Case 2:

Case 3:


In conclusion, Invisalign can fix underbite in many cases but not all. It depends on the severity of the underbite the alignment of the teeth and the jaw and the patient’s compliance with the treatment plan. Invisalign is a convenient and discreet option for correcting mild to moderate underbite but it may not be suitable for severe cases that require surgery or more extensive orthodontic intervention.

Dr Jocelynn Vida
Dr Jocelynn Vida
Dr. Jocelynn Vida Sustaita is a skilled and caring dentist known for her ability to design stunning smiles. With a holistic approach and a passion for patient empowerment, she combines aesthetics with high-quality care. As a bilingual practitioner, she strives to make her patients feel supported and well-cared for. Experience the mind-body-spirit-smile connection with Dr. Vida and achieve the smile you deserve.


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