Close-up of a smiling patient undergoing Invisalign clear aligner treatment at Inter Dental Turkey clinic.
Orthodontics Guide Digital Dentistry 2026

5 Common Myths About Invisalign (Clear Aligner) Treatment

Because they are almost entirely invisible and eliminate aesthetic concerns, clear aligners are becoming increasingly preferred by patients every day. However, as this innovative treatment gains popularity, urban legends also increase. Here are the myths and the facts.

Written by: Inter Dental Turkey Expert Team
May 6, 2026 5 min read

With the advancement of digital dentistry, a true revolution has taken place in orthodontic treatments. We no longer have to live with metal braces for years just to achieve a perfectly straight and aesthetic smile. The leading star of this revolution is clear aligner (Invisalign) treatments.

At Inter Dental Turkey, we have put under the microscope the 5 common myths about Invisalign treatment that we frequently encounter in our clinic and that often confuse our patients.

3D dental model demonstrating how Invisalign clear aligners perfectly fit over the upper and lower teeth.
Clear aligners gently wrap around the teeth to guide them into the desired position and are highly aesthetic orthodontic appliances that are almost completely unnoticeable.

MYTH 1: "Clear Aligners Can Only Fix Minor Crooked Teeth"

THE FACT:

In the past, it was thought that clear aligners were only suitable for mild aesthetic irregularities. In today's technology, however, this is a complete myth.

Thanks to advanced three-dimensional (3D) modeling software and the patented smart materials used in the production of the aligners, Invisalign can successfully treat not just simple crowding, but much more.

Which Complex Cases Can Clear Aligners Solve?

  • Overbite: When the upper front teeth overlap the lower front teeth excessively.
  • Underbite: When the lower teeth protrude past the upper front teeth.
  • Crossbite & Diastema: Misalignment of the dental arches and wide gaps between the teeth.

Because digital treatment planning is carried out milimetrically by a specialist doctor in a computer environment, the movements of your teeth are highly predictable.

MYTH 2: "Invisalign Treatment is a Very Painful Process"

THE FACT: One of the most common questions our patients ask is: "Does Invisalign hurt?"

Clear aligner treatment is significantly more comfortable compared to traditional metal braces. There are no sharp brackets or wires that scratch, bleed, or irritate the inner cheeks and lips.

Every time you switch to a new set of aligners (usually every 1-2 weeks), a light pressure is applied to guide the teeth. This pressure is an indicator that the treatment is actively working and usually consists of a mild sensitivity felt only within the first 24-48 hours. This sensation certainly cannot be described as "unbearable pain" and fades away quickly.

MYTH 3: "Clear Aligners Cause a Lisp and Ruin My Speech"

THE FACT: Whenever a new appliance is placed in your mouth, your tongue needs a short period of time to get used to it. Although clear aligners are thin enough to tightly wrap your teeth, you might notice a slight difference in your pronunciation (especially with "s" and "sh" sounds) on the very first day you wear them.

However, this situation is entirely temporary. Your tongue and oral muscles will fully adapt to this new environment within 1 to 3 days, and your speech will return to 100% normal. Professionals, teachers, or managers who play an active role in business life overcome this adaptation process seamlessly.

MYTH 4: "Cleaning and Maintaining the Aligners is Very Difficult"

THE FACT: On the contrary, when compared to trying to clean food trapped between fixed metal wires, maintaining clear aligners is incredibly easy and practical. Since you remove your aligners while eating, you have zero food restrictions (you can eat whatever you want!), and brushing and flossing your teeth afterward is effortless.

Step-by-Step How to Clean Invisalign

1
Regular Brushing: Gently brush your aligners morning and night using a soft-bristled brush and liquid soap (or specialized cleaning crystals).
2
Careful with Toothpaste: Avoid using standard abrasive toothpastes on the aligners; they can scratch the plastic and make them look dull and cloudy.
3
Protect from Heat: Never wash the aligners with hot water, otherwise their thermoplastic structure may warp and deform. Always use lukewarm or cold water.

MYTH 5: "Treatment Takes Much Longer Than Traditional Braces"

THE FACT: Patients tend to think that a removable appliance will work slower than fixed braces. So, what are the actual disadvantages of clear aligners compared to traditional braces?

The only "disadvantage" of clear aligners is that it strictly relies on the patient's discipline and compliance. Provided that the aligners are worn for the recommended duration daily (20-22 hours), the treatment time is NOT longer than braces.

In fact, in many cases, because an individualized movement plan is digitally mapped out for each tooth, Invisalign treatment provides results faster than conventional orthodontic treatments. Success entirely depends on the patient taking responsibility for wearing the aligners regularly.


Frequently Asked Questions

Does Invisalign (Clear Aligners) hurt?
No, it does not cause unbearable pain. A light pressure is applied to move the teeth every time you switch to a new set of aligners. This pressure may cause mild sensitivity within the first 24-48 hours, but it passes completely in a short time.
Will clear aligners ruin my speech or cause a lisp?
During the first 1-3 days of wearing the aligners, there may be slight pronunciation differences with letters like 's' and 'sh' until your tongue gets used to them. However, your mouth muscles adapt quickly, and your speech returns completely to normal.
What are the disadvantages of clear aligners?
The biggest disadvantage is that it requires patient discipline. For the aligners to be effective, they must be worn for 20-22 hours a day. If the patient frequently removes the aligners or leaves them out for long periods, the treatment process will be prolonged.
How should clear aligners be cleaned?
Aligners should be cleaned under lukewarm or cold water using a soft brush and liquid soap. Abrasive toothpastes and hot water should be strictly avoided as they can cause scratching and deformation.