Is MARPE the New Invisalign/Damon? Debunking Myths, Risks, and What You Need to Know.

8 October 2024

Over the past few years, there’s been a noticeable shift in patient inquiries. In the past, patients focused on systems like Invisalign and Damon. Today, MARPE (Mini-Implant Assisted Rapid Palatal Expansion) has become the new trend. Driven by online marketing and growing digital exposure, many patients now request MARPE specifically. Some view it as a solution for all orthodontic and breathing concerns.

MARPE can be highly effective in the right cases. However, it is not a one-size-fits-all solution. Like any medical treatment, it requires careful clinical and radiographic assessment to determine suitability.

What is MARPE?

MARPE allows us to achieve non-surgical palatal expansion in adolescents and adults with a constricted maxilla. Unlike traditional expanders, which rely on dental anchorage, MARPE uses mini-implants to engage the bone. This allows for true skeletal expansion when conventional methods are no longer effective due to age or maturation of the midpalatal suture.

When used correctly, MARPE can help treat crowding and crossbites. In some cases, it may also improve breathing by expanding the upper jaw. However, growing demand has created the misconception that MARPE is a “miracle appliance” that can fix everything. This is not the case.

MARPE is Not a Miracle Fix

One of the most common misconceptions is that MARPE is a guaranteed solution for all patients, regardless of their specific issues. Many patients come in expecting that MARPE will have a 100% success rate, especially after reading online testimonials. However, MARPE requires a clear clinical need, and success depends heavily on the patient’s age and individual case.

For example, in patients over the age of 20, the mid-palatal suture is more resistant to expansion, making MARPE less predictable. In these cases, complications such as pain, bone loss, or failure to achieve the necessary expansion are more likely. In adult patients, surgical facilitation, usually through a corticotomy, helps reduce risks and improves the predictability of skeletal expansion.

Click here to learn more if MARPE can avoid dental extractions.

The Risks and Complications of MARPE

While MARPE can be highly effective, it’s not without its risks, especially in adult patients. Here are some potential complications to consider:

  • Asymmetrical Expansion: Improper expansion can lead to facial asymmetry, which may require further intervention to correct and can impact a patient’s facial appearance.
  • Tingling or Numbness in the Face: Irritation of nerves can lead to temporary tingling or numbness during or after the expansion process.
  • Failure to Achieve Expansion: In older patients, the midpalatal suture may not respond adequately, leading to failure of skeletal expansion.
  • Pain and Discomfort: Some patients may experience significant discomfort as the skeletal structure is expanded.
  • Infection or Bone Loss: Mini-implants that fail or are improperly placed can cause infections or even loss of bone in severe cases.
  • Rare but Serious Complications: While uncommon, some severe complications such as blindness or deafness have been reported due to pressure on critical structures.

Breathing Problems: Is MARPE the Answer?

Another common misconception is that MARPE will solve breathing problems, such as sleep apnea or chronic nasal congestion. While maxillary expansion can sometimes improve airway space, breathing problems are complex and may not always be due to a constricted maxilla.

Issues like nasal obstructions, adenoid hypertrophy, or pharyngeal airway collapse often need specialised treatment from an ENT or sleep specialist. In many cases, MARPE might be only one part of the solution, but not the definitive fix.

To learn more about airway focused orthodontics, click here.

What Does the American Association of Orthodontists (AAO) Say?

The AAO White Paper on orthodontic management of airway disorders emphasizes that while orthodontic treatments, including MARPE, can benefit airway expansion, they are not a guaranteed solution. The AAO advocates for a multidisciplinary approach that involves orthodontists, ENT specialists, and sleep specialists to ensure an accurate diagnosis and effective treatment plan.

Click here to read the most up to date white paper.

Conclusion: Don’t Believe Everything You Read Online

In the age of the internet, patients frequently overestimate treatments like MARPE based on online success stories and testimonials. However, just because something sounds good online doesn’t mean it’s the right solution for everyone. As with any medical treatment, it’s important to have a proper clinical evaluation to determine if MARPE is appropriate for your specific case.

Over the years, I have extensive experience with skeletal anchorage devices and expansion using appliances such as MARPE, MSE, BARME and DOMe techniques. If you are wondering if any of there treatments are for you, click here to book a consultation.

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