Aligners: Their advantages and disadvantages – Your experts at JUST KFO

Mar 16, 2025Dr. Julia Steinmaierapprox. 5 min read

In modern orthodontics, there are many ways to correct your teeth – and one of the most popular methods is Invisalign. This clear aligner therapy makes it possible to treat misaligned teeth discreetly and is especially sought after by adults. With individually fitted, removable aligners, your teeth can be effectively and comfortably brought into shape.

But is Invisalign the right choice for you? You will also learn how Invisalign treatment in Cologne works. In this article, we take a closer look at the advantages and possible disadvantages of this method – specifically for you at JUST KFO..

Benefits of Aligners – Why This Invisible Braces Option Is Worth It

Choosing aligner treatment comes with many advantages. Professional care from experienced orthodontists is essential to achieve the best results. At JUST KFO, we accompany you from your initial consultation to your perfect smile.

1. Invisible Tooth Correction

A major advantage of Invisalign is the nearly invisible appearance of the aligners. Especially as an adult, fixed braces can be perceived as disruptive – with the transparent aligners, your tooth correction remains discreet and inconspicuous.

2. Maximum Comfort and Flexibility

Unlike fixed braces, Invisalign aligners are removable. This means you can eat without restrictions and your oral hygiene does not suffer. You can also remove the aligners temporarily during sports or for special occasions – a clear advantage over traditional brackets.

3. Less Pain and Pressure

Many of our patients find aligner therapy more comfortable than traditional braces. While there may be a slight feeling of pressure initially, it usually disappears after a few days. Additionally, the precisely fitting aligners avoid uncomfortable irritation in the mouth, as can occur with fixed braces.

4. Shorter Treatment Duration

Compared to fixed braces, Invisalign treatment can often be completed more quickly. While brackets often must be worn for two to three years, aligner therapies can in many cases achieve the desired result after just 12 to 18 months – naturally depending on your individual dental situation.

5. Precise Planning and Predictable Results

At JUST KFO, we use the most modern digital technologies to plan your aligner treatment precisely. With 3D scans and computer-assisted simulations, you get a preview of the possible final result even before the therapy begins. This planning certainty motivates and helps ensure treatment success.

More on this topicInvisalign and Aligners in Cologne

How treatment with clear aligners works, what the 3D scan contributes and what aligners are suitable for.

Go to Invisalign Treatment

Are There Also Disadvantages to Invisalign?

Despite the many advantages, there are a few things you should consider before making your decision. In a personal consultation, we will provide you with comprehensive information about all factors.

1. Consistent Wear Time Required

For aligners to work effectively, they must be worn at least 22 hours a day. This requires discipline — if you remove the aligners too often, you risk delayed or suboptimal tooth correction.

2. Possible Discoloration from Beverages and Habits

While Invisalign aligners are transparent, they can become discolored by coffee, tea, red wine, or nicotine. To maintain the transparency of your aligners, it is advisable to avoid such beverages during treatment or remove the aligners beforehand.

3. Limited Insurance Coverage

Statutory health insurance generally does not cover the cost of Invisalign , as they primarily support fixed braces. Private health insurance may offer partial reimbursement, depending on your individual policy. We are happy to advise you at JUST KFO regarding financing options and payment plans.

4. Not Suitable for All Types of Misalignment

Although aligners can correct many types of misaligned teeth, there are limits. In cases of very severe misalignment or significant jaw abnormalities, conventional braces or other orthodontic treatment may be necessary. In our practice, we carefully assess which solution is best for you.

Aligners at JUST KFO – Individual Consultation on Aligner Therapy

Invisalign is an innovative method for tooth correction that offers both esthetic and functional benefits. For treatment to be successful, all factors should be individually considered. Our experienced orthodontists at JUST KFO take the time to analyze your dental situation and offer you the best solution.

Schedule a consultation now at JUST KFO and let us inform you personally about Invisalign and other treatment options. Together we will find the optimal solution for your most beautiful smile.!

Sources:

  • Schupp, W., Funke, J., & Haubrich, J. (2020). Der digitale Workflow in der In-Office-Alignertherapie. Informationen aus Orthodontie & Kieferorthopädie, 52(4), 289–300. https://doi.org/10.1055/a-1241-9967
  • Kravitz, N. D., Kusnoto, B., BeGole, E., Obrez, A., & Agran, B. (2009). How well does Invisalign work? A prospective clinical study evaluating the efficacy of tooth movement with Invisalign. American Journal of Orthodontics and Dentofacial Orthopedics, 135(1), 27–35. https://doi.org/10.1016/j.ajodo.2007.05.018
  • Rossini, G., Parrini, S., Castroflorio, T., Deregibus, A., & Debernardi, C. L. (2015). Efficacy of clear aligners in controlling orthodontic tooth movement: A systematic review. The Angle Orthodontist, 85(5), 881–889. https://doi.org/10.2319/061614-436.1
  • Kuncio, D., Maganzini, A., Shelton, C., & Freeman, K. (2007). Invisalign and traditional orthodontic treatment postretention outcomes compared using the ABO objective grading system. The Angle Orthodontist, 77(5), 864–869. https://doi.org/10.2319/100106-398.1

Frequently Asked Questions About Aligner Advantages and Disadvantages

For whom are aligners less suitable?

Aligners are suitable for many mild to moderate misalignments. In cases of very complex jaw misalignments or when consistent wear time of approximately 20 to 22 hours daily cannot be reliably maintained, fixed braces may be the more dependable choice. We will determine what makes sense in your individual case.

Can you see the aligners or the attachments in the mouth?

The aligners themselves are transparent and barely noticeable in everyday life. For certain tooth movements, small tooth-colored anchoring points (attachments) are placed — these are visible up close, but much less conspicuous than metal brackets.

Do aligners affect speech?

During the initial adjustment period in the first few days, slight lisping may occur, which typically resolves quickly once the tongue and lips become accustomed to the thin aligners.

What happens if I don’t wear the aligners enough?

Aligners only work if they are worn consistently. If they are removed too frequently, treatment is delayed or the teeth do not move as planned. The necessary discipline is the most important factor for a good outcome — for this reason, the aligners can be freely removed for eating and brushing your teeth.

Does health insurance cover the cost of aligners?

For adults, statutory health insurance does not cover orthodontic treatment as a general rule — regardless of whether aligners or fixed braces. An exception applies to severe jaw misalignments that require combined orthognathic and orthodontic treatment; even then, aligners are typically not covered. Private health insurance and supplemental dental insurance may contribute depending on the policy. We will prepare a transparent cost estimate for you in advance.

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About the Author

Dr. Julia Steinmaier

Specialist in orthodontics. Owner of JUST KFO in Cologne, sought-after speaker and author who regularly appears in professional publications and media.

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Dr. Julia Steinmaier
JUST KFO

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Reviewed by Dr. med. dent. Julia Steinmaier, specialist in orthodontics · Last reviewed on June 27, 2026

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