Is It Necessary To Remove Teeth For Braces?

Do you really need to remove teeth before braces? Get the answer in our blog!

Do you really need to remove teeth before braces? Get the answer in our blog!

A note about extractions in orthodontics

It’s the goal of orthodontists to achieve a healthy, stable bite and pleasing smile in a conservative and comfortable manner.

In most cases, this can be achieved without removing teeth.

In other cases, there are compelling reasons to remove teeth for braces. When these cases do arise, you, your dentist, and orthodontist must consider the pros and cons of such treatment options.

When would an orthodontist consider removing teeth for orthodontic treatment?

  • In cases of the front teeth sticking out really far
  • In cases of significant crowding in the upper and/or lower jaw
  • When a tooth is excessively compromised due to disease or injury
  • When it’s necessary to correct a bite asymmetry
  • When opting to compensate for significant front-to-back discrepancies in the relationship between the upper and lower jaws
  • When needed for optimal results in orthodontic cases requiring corrective jaw surgery, with respect to the bite and/or facial cosmetic (esthetic) goals
  • When teeth cannot be moved due to impaction or fusion to the bone and there are disadvantages to leaving them in place

How many teeth are typically removed for braces?

Let’s set aside consideration of wisdom teeth, as they often are removed for reasons separate from orthodontic treatment goals.

Of the remaining teeth:

When an extraction is determined to be beneficial, it’s common to remove one to four teeth.

Orthodontists and other healthcare professionals try to remove the least number of teeth to meet the treatment goals.

It’s common to remove an odd number of teeth (1 or 3) when addressing asymmetry. Premolars, the fourth and fifth teeth from the front, are the most common teeth to be extracted.

Diagram of the mouth with the text "premolars are the most common teeth to be extracted"

Occasionally, it’s advantageous to remove other teeth.

The key is planning to address the unique situation presented by each patient, including the effects that extractions may have on facial esthetics or tongue position.

Orthodontists often do a trial or beta version of the proposed treatment using plaster models of the patient’s teeth, which is referred to as a diagnostic setup.

What about alternatives to tooth removal?

One such alternative is the expansion of the arches to resolve crowding, which is the U-shape that the teeth fit into in each jaw.

The upper jaw can actually be made wider in child and adolescent patients by activating the growth center running front-to-back through the center of the jaw with an appliance known as an expander.

This growth center typically fuses during the late teens.

However:

In the lower and upper jaw of adult patients, expansion is really the spreading of teeth within the existing bone dimensions.

This sort of expansion is limited because an adult jawbone covers the roots under the gums, which is fairly thin and does not “expand” or grow when the teeth are pushed outwardly.

Excessive expansion of the teeth can lead to bone and gum recession, and less-than-stable results.

There are surgical procedures designed to add bone for expansion purposes, but studies regarding their effectiveness over the long term are not conclusive.

Another option is to orthodontically move the back teeth further back. Studies have shown that some methods are more effective than others, but we do not yet know the long-term stability of such movement.

Have you heard claims that it’s wrong to remove teeth for braces?

There are certainly a lot of opinions out there, and not all are based on good scientific evidence. This is why it’s important for the orthodontist to diagnose and plan treatment with patients based on their unique, individual needs, and to consider what good scientific studies reveal.

The key factors are whether extractions are selected appropriately and the orthodontic treatment is done properly.

Have you been told you need to remove teeth to make room for orthodontics?

Get a second opinion from our Bellevue orthodontist through a free virtual consultation.

Just fill out the form below, submit a couple of photos, and tell us what you’d like to change with your smile.

Within five business days, Dr. Jeffery Schur will either send you a video with his recommendations or reach out to schedule a one-on-one video consultation to share his findings.

Fill out the form to get started:

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        Editor’s note: This post was originally published in July 2016 and has been completely revamped for comprehensiveness and timeliness.

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