Is Invisalign effective in correcting an open bite

August 19, 2021, iSmile Specialist

3D Image of Open Bite
3D Image of Open Bite
As seen on TV! Learn how Dr. Kanaan pioneered the concept of correcting open bite cases with Invisalign. A proven technique with actual cases.

 

Can Invisalign fix an anterior Open Bite?

Invisalign was first introduced in 1997 by two Stanford University students that invented the first complete clear aligner system. At this point in time correcting an open bite with Invisalign was not recommended. As the years passed, a better understanding of how modified Clear Aligners can direct the necessary force in a predictable manner allowed for more orthodontic corrections such as open bite to be possible.

Although Invisalign has made a lot of progress over the years, it is still limited when it comes to more complex cases such as posterior open bite. In this case, Invisalign may not be the best option. It is always best to consult with an experienced orthodontist in order to determine if Invisalign can fix your open bite.

How can Invisalign correct an Open Bite?

In order to correct an open bite Invisalign trays are designed and programmed by an orthodontist to fix an open bite.

This process may include all of the following:                                                                                 

  • Extrude the anterior teeth making sure the teeth align with your smile line.                                                                                    
  • Intrude the posterior teeth with possible wisdom teeth extraction in some cases.                                                                                    
  • Mini-Implants may be required in the upper posterior area if a more posterior intrusion is needed.                                                                                    
  • Use rubber bands of rubber bands inducing a counterclockwise mandibular rotation[iii].                                                                                   

Interproximal reduction (IPR) may be used if the tooth varies in size and shape.
How long does it take for Invisalign to correct an Open Bite?
The treatment time will depend on the age of the patient and also the size of the open bite. Adult patients with a moderate open bite (2-3 mm) will have a time frame of approximately 18-24 months. Younger patients with the same moderate open bite will take between 12-18 months. If an open bite is much bigger ( more than 4 mm) the use of mini-implants will be required and the length of treatment will be 24-28 months or more.
About how many trays are needed to fix the anterior open bite?
Past research has revealed that an average of 73 clear aligners are needed to get the open bite fixed. However, this number can vary from patient to patient possibly ranging from 40 to 100 trays.

Invisalign & Surgery For Open Bite Treatment
In very complicated open bite cases, surgery can become the only solution. Braces are required before surgery is performed to align and straightened the teeth to ensure the open bite is corrected properly. Only a specialized orthodontist with years of experience using Invisalign offers the option to use aligners instead of braces in this unique circumstance.

To recap this post, Invisalign can be used to correct open bites with advancements in Invisalign technology. A patient should always consult with an experienced orthodontist, preferably one that has many years working with Invisalign. The orthodontist will be able to determine if Invisalign can be used to correct open bites on a case-by-case basis.

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