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Treatment

Surgical Orthodontic Treatment

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Dundrum Orthodontics |  Dr. Joseph O’Connor

What is surgical orthodontic treatment?

Some bite problems are not in the teeth but in the jaws themselves. Where the upper and lower jaws differ significantly in size or position, braces can straighten the teeth within each jaw but cannot change where those jaws sit. Correcting that needs surgery, planned and carried out alongside orthodontic treatment. The surgery itself is called orthognathic surgery.

The first thing to say is that this applies to very few patients. The large majority of bite problems, including most overbites and underbites, are treated with braces or aligners alone. Surgery is discussed only where the skeletal difference is large enough that nothing else will give a stable, functional result.

Where it is needed, the reasons are usually functional rather than cosmetic: difficulty chewing, uneven tooth wear, jaw joint pain, and in some cases breathing problems during sleep. Facial balance generally improves as a consequence, but on its own that is not a reason to undergo surgery.

The operation is carried out by an oral and maxillofacial surgeon in a hospital, not at our clinic. Our part is the orthodontic treatment, which runs before and after the operation, and the joint planning that makes the two fit together.

Book a consultation at our Ballinteer Road clinic.

How the treatment runs

In three stages, over roughly two to three years in total.

  • Before surgery. Fixed braces align the teeth within each jaw and remove the compensations that have developed over the years. This stage often makes the bite look worse before it looks better, which is expected and is explained to you properly at the outset. It usually takes twelve to eighteen months.
  • Surgery. The surgeon repositions one or both jaws and secures them with small plates and screws. This is done under general anaesthetic with a hospital stay, and getting back to normal routine takes several weeks.
  • After surgery. A shorter period of orthodontics, commonly around six months, to settle the bite into its final position, then retainers.

Planning is joint from the beginning. We work with your surgeon from the assessment stage, using scans, photographs and records, so that the tooth movements and the surgical plan are designed around each other rather than one after the other.

Surgery is generally not carried out until growth has finished, which means the late teens at the earliest, and slightly later in men than in women.

Book a consultation to discuss whether this applies to you.

What does surgical orthodontic treatment cost?

There are two separate fees here and they come from two places. We quote for the orthodontic treatment before and after surgery. The surgical fee is set by your surgeon and the hospital and is billed by them, not by us. We will be clear with you about which part is ours.

Our fee is set out in a written plan after your assessment, with nothing added later. It can be spread monthly, interest free, over the course of treatment, or paid in full at the start for a 5% discount. Orthodontic treatment is tax deductible at 20% and we will complete your MED 2 form.

Private health insurance sometimes contributes to the surgical element where there is a clear functional need. Cover varies considerably between policies, so check directly with your insurer rather than assuming it either way.

Book a consultation at our Dundrum clinic.

Specialist orthodontist, Dr. Joseph O'Connor

The Process

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Discuss your goals with one of our specialist orthodontists to find out what treatment option suits you best.

FAQs

What age should you get jaw surgery?

Generally not until growth has finished, which means the late teens at the earliest and slightly later in men than in women. Operating while the jaws are still growing risks the result changing afterwards.

There is no upper limit. Adults in their thirties, forties and beyond have orthognathic surgery where there is a clear functional reason for it. More on our surgical orthodontics page.

Is jaw surgery high risk?

It is major surgery under general anaesthetic with a hospital stay, so it should not be described as minor. It is also well established and routinely performed.

As with any operation there are risks, and the most discussed is altered sensation in the lip or chin, which is usually temporary but can occasionally persist. Your surgeon will go through the specific risks in your case, because those depend on which jaw is being moved and how far.

That conversation belongs with the surgeon rather than with us. Our part is the orthodontics either side of it.

How long does jaw surgery take?

That varies with what is being done and is a question for your surgeon rather than for us. A single-jaw procedure is shorter than one involving both.

What we can tell you is the shape of the day. It is carried out under general anaesthetic in hospital with an overnight stay, and you will be given the specifics at your surgical consultation.

How painful is jaw surgery?

Less than most people expect, because the nerves supplying the area are affected by the surgery itself. Numbness is more common than pain in the first weeks.

What people do find difficult is swelling, which peaks in the first few days, and a soft or liquid diet for several weeks. Getting back to normal routine takes a few weeks, and full settling of the bite takes months.

How long does it take to heal from jaw surgery?

The initial recovery is a few weeks, with swelling settling over the first month and most people back to work or school within two to four weeks depending on the procedure.

Full recovery takes longer. Sensation returns gradually over months, and the bite continues settling during the orthodontic phase that follows, which usually runs around six months.

What is the downside of jaw surgery?

It is a long commitment. Two to three years from start to finish, including twelve to eighteen months of braces beforehand, the operation itself, and around six months of orthodontics afterwards.

The braces stage often makes the bite look worse before it looks better, which surprises people who were not warned. There is a hospital stay, weeks of recovery, and the risk of altered lip or chin sensation.

Those are real and worth weighing properly. For a genuine skeletal discrepancy it remains the only approach that changes the underlying problem.

Is corrective jaw surgery worth it?

For the right case, yes, and patients who need it are generally glad they did it. For the wrong case it is a great deal to go through for a result braces alone could have achieved.

That is why the assessment matters more here than anywhere else. Where the reasons are functional, difficulty chewing, uneven wear, jaw joint pain or sleep-related breathing problems, the argument is strong. Where the motivation is purely appearance, it deserves a much longer conversation.

We will tell you honestly which category your case falls into.

4.8 / 5

Read what our patients say about us

"I went to so many dentists about my bite problem only to be dismissed. Dr Adriana and her team gave me a plan, I followed it, and two and a half years later I can smile, eat and bite properly."

David Malcom
June 1, 2026

"Two of my daughters had braces fitted by the lovely Dr. Katherine Condren. I would highly recommend her services, she was so good with my daughters, we are extremely happy with the service received and they both have beautiful smiles now."

Elizabeth
February 22, 2024

"My bonded retainer came loose and several other practices turned me away. Dundrum Orthodontics saw me straight away and had it fixed within minutes."

Daniel Stack
October 1, 2025

"Dr Joseph O’Connor is such a skilled orthodontist. His kindness and attention to detail is outstanding. He takes the time to explain everything and makes you feel very comfortable. Could not recommend him more."

Erin
March 6, 2024

"I got Invisalign here in my forties and could not be happier. My daughter had braces with them a few years ago, and my sister brought her daughter on my recommendation. Exceptional service and amazing results."

Sabrina Moffatt
September 1, 2025

"Joseph is a kind, compassionate and skilled orthodontist. He has a beautiful patient manner and his attention to detail is second to none. Highly recommend."

Kathryn
March 3, 2024

"Coming to the end of my braces and I couldn't be happier. The whole team are friendly and professional, and they take their time to make sure the end result is exactly what you want."

Chloe Guildea
September 1, 2020

"I had a great experience with Dr O’Connor and his team. Booking was simple and they were very friendly & efficient throughout. Would highly recommended."

Kevin
January 16, 2024

"My son got his braces off this morning and I am delighted with the result. Over two years, any worries we had were sorted and every question answered, always with a friendly and professional approach."

Paula King
September 1, 2019

"Amazing service, highly professional. Dr O'Connor was really kind and knowledgeable. Would highly recommend!"

Luke
January 30, 2024

"Dr O'Connor is a brilliant orthodontist, the consultation was thorough and he's easy to talk to."

Laura Anne
March 4, 2024

"Extremely happy with the outcome after braces, great attention to detail! Highly recommend."

Julian
March 4, 2024

"A long and difficult process was made easy by their care and attention. The attention to detail and professionalism was second to none."

Naomi Lopez McGrath
September 1, 2019

"The staff are extremely skilled as well as friendly and easy to talk to. I am very happy with my results and with how the whole process was handled."

Abbie Brennan
September 1, 2020

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