What Are Clear Aligners & How Do They Work?

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ALIGNERCO Clear Aligner placed with its storage container

The field of orthodontics has evolved, providing an alternative to traditional braces for teeth straightening. Clear aligners have not only proved to be a comfortable alternative to braces, but they have also gained immense popularity for aligning teeth without the hassle of metal brackets. In this blog, we aim to help you understand teeth aligners better, including their benefits, how they work, and a detailed comparison of aligners vs. braces to assist you in making an informed decision.

What Are Clear Aligners?

Clear braces, commonly referred to as Clear aligners, are a modern orthodontic innovation designed to straighten teeth without the discomfort or visual impact of metal braces. Unlike traditional braces that include brackets and wires, aligners are made from smooth, transparent plastic that fits snugly over your teeth.

They are custom-made for each patient using advanced 3D digital scans, which map the current and desired position of your teeth. Over time, a series of these aligners gradually shifts your teeth into the correct alignment, ensuring a comfortable and predictable transformation.

Aligners are thin, transparent trays that work similarly to retainers but are specifically composed to exert a gentle, consistent pressure on your teeth. Each set is worn for about one to two weeks before switching to the next in the series, progressively moving your teeth closer to their ideal alignment.

They serve as a cutting-edge alternative to traditional braces, offering a discreet and removable option for correcting orthodontic concerns like crooked teeth, gaps, crowding, or mild bite issues. Over time, aligners have gained immense popularity due to their aesthetic appeal and comfort.

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Who Can Use Clear Aligners?

Two boys discussing clear aligners for teeth straightening.
Two boys discussing clear aligners for teeth straightening

Anyone with proper dental health and hygiene may be considered a good candidate for clear aligners. Mild to moderate malocclusions are the main problems treated by clear aligners; some of them are:

  • Crowding
  • Spacing
  • Overbite
  • Underbite
  • Crossbite

More severe cases would be indicated for braces, so it is important to obtain an evaluation from your dentist.

Benefits of Clear Aligners

Aesthetics

One of the biggest advantages of clear aligners is their near-invisible design. Unlike metal braces that can draw unwanted attention, clear aligners blend naturally with your teeth, allowing you to smile confidently throughout your treatment. They are ideal for professionals, students, and anyone who prefers a subtle orthodontic solution.

Removability

Clear aligners can be easily removed whenever you eat, drink, brush, or floss. This flexibility eliminates the dietary restrictions that come with traditional braces, meaning you can enjoy your favorite foods without worry.

Comfort

Crafted from smooth, BPA-free plastic, aligners are gentle on your gums and cheeks. They don’t contain any metal wires or brackets that might cause irritation or sores inside your mouth. This makes them more comfortable for daily wear, especially during the adjustment period.

Oral Hygiene

Since aligners are removable, maintaining oral hygiene is much easier compared to fixed braces. You can brush and floss as usual, helping to prevent plaque buildup, tooth decay, and gum inflammation throughout your treatment.

Flexibility

Clear aligners fit perfectly into a busy or active lifestyle. Whether you’re at work, at the gym, or attending social events, you can remove them briefly if needed. Their convenience and ease of comfort make them a preferred choice for individuals who value both aesthetics and practicality.

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Limitations of Clear Aligners

Here are some of the things to know before choosing aligners for your dental misalignments.

Compliance Is Key

For clear aligners to be effective, consistency is essential. They need to be worn for 20–22 hours per day, only removed for meals or cleaning. Skipping wear time or forgetting to put them back in can delay your progress and extend treatment duration.

Not for Severe Cases

While clear aligners are highly effective for mild to moderate issues, such as crowding, gaps, overbites, or underbites, they may not be suitable for complex cases involving major bite discrepancies or rotated teeth. Severe orthodontic issues might still require traditional braces or other advanced dental interventions.

Discipline Needed

Because aligners are removable, they demand discipline and responsibility. Misplacing them, forgetting to wear them, or failing to clean them properly can slow progress or compromise results. Proper adherence to your treatment plan ensures timely and successful outcomes.

While clear aligners require responsibility and may not be ideal for everyone, their comfort, convenience, and aesthetic appeal make them one of the most popular and effective orthodontic treatments available today.

How Do Clear Aligners Work?

A pictorial representation of how clear aligners work.
A pictorial representation of how clear aligners work

You must be wondering how aligners straighten teeth . Here is a step-by-step guide on how transparent braces or clear aligners work to straighten teeth over a period of time.

Step 1: Consultation and Evaluation

The journey begins with a consultation with an orthodontist or a dentist experienced in clear aligner treatment . During this appointment, they will examine your teeth and discuss your goals. They may take impressions, photos, and X-rays to create a comprehensive treatment plan.

Step 2: Digital Mapping and Treatment Planning

Your orthodontist will use advanced software to create a 3D digital model of your teeth. This allows them to plan the precise movements needed to achieve your desired alignment. You'll have the opportunity to see a virtual representation of how your teeth will change throughout treatment.

Step 3: Custom Aligner Fabrication

Once your treatment plan is finalized, your custom aligners are fabricated. These dental aligners are made from a transparent, BPA-free plastic that provides both comfort and is virtually invisible when worn.

Step 4: Wearing Your Aligners

You'll receive a series of aligners, each designed to be worn for about 10 days. You'll wear them day and night, removing them only for eating, drinking, brushing, and flossing. As you progress through the series, your teeth gradually shift into their desired positions.

Step 5: Regular Check-ups

Periodic check-ups with your orthodontist are essential to monitor your progress. These appointments usually occur every 6-8 weeks, and adjustments are made as needed. New aligners are provided to continue the treatment process.

Step 6: Maintenance and Aftercare

Once your treatment is complete, your orthodontist will recommend a retainer to maintain your newly aligned smile. Retainers are typically worn at night and play a crucial role in preventing your teeth from shifting back to their original positions.

Step 7: Enjoying Your New Smile

After months of treatment, you'll have achieved your desired smile. Clear aligners offer not only an aesthetically pleasing result but also improve oral health, as straight teeth are easier to clean and maintain.

Caring for Your Aligners

Tips to maintain your aligners.
Tips to maintain your aligners

Now that you know how aligners work, it is also important to learn how to maintain clear and clean aligners:

  • Rinse them after every removal.
  • Brush with a soft toothbrush.
  • Soak them in cleaning crystals to avoid odors.
  • Avoid excessive exposure to hot water; it can warp the aligners.

Clear Aligners vs Braces

Here is a table showing braces vs clear aligners comparison to help you gather a better understanding and to choose for yourself.

Features Clear Aligners Metal Braces
Appearance Barely Visible Visible
Composition Transparent Plastic Metal brackets attached with wires
Removability Easily Removed Fixed
Comfort Customized Brackets often cause discomfort
Eating Restrictions No such restrictions Avoid hard and sticky foods
Maintenance Remove for brushing Often gets challenging to maintain oral hygiene
Treatment Duration 6 - 18 months 1 - 3 years
Wear Time 20 - 22 hours 24 hours fixed

Orthodontic Aligners

ALIGNERCO offers a hassle-free teeth straightening kit. Our aligners are composed of BPA-free transparent plastic to help you straighten without the hassle of metal. Individuals are often hesitant to get their teeth straightened due to the presence of metal brackets. However, with the emergence of crystal clear aligners, getting straighter teeth has never been easier.

Moreover, at ALIGNERCO, you can get the smile of your dreams with a plan of your choice. For instance, if you wish to straighten within six months, our all-day aligner plan is ideal. On the other hand, if you wish to skip the daytime hassle, pick a night-only aligner plan. After thoroughly assessing your case, our experts can provide the most suitable treatment plan for you.

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Discover the ALIGNERCO Difference

Various brands are offering clear aligner treatment; however, when it comes to hassle-free teeth straightening, here is how ALIGNERCO stands out.

  • Remote treatment
  • Affordable excellence
  • Night only plans
  • Monthly installments
  • Durable material
  • Free shipping

To learn more about clear aligners, call us at (877) 271-7417 today.

At Home Aligners

To sum it up, in recent times, orthodontics has undergone significant advancements to offer a hassle-free and comfortable approach to teeth straightening. Aligners not only offer a hassle-free teeth alignment, but are proven effective for mild to moderate dental cases. So, do aligners work? The answer is a resounding yes if you’re the right fit and ready to commit.

FAQs

1. What do clear aligners do?

Clear aligners are custom-made, transparent trays that gradually move your teeth into their desired positions. They apply gentle, consistent pressure on specific teeth, just like braces, but without brackets or wires. Over time, switching to new sets of aligners every few weeks helps align your teeth for a straighter, healthier smile.

2. What are the disadvantages of clear aligners?

While clear aligners are discreet and convenient, they do come with a few drawbacks. They require strict discipline; you must wear them for 20–22 hours daily to see results. Some users experience mild discomfort or a temporary lisp in the beginning. Additionally, they may not be suitable for very complex orthodontic cases that need more intensive correction.

3. Are clear aligners better than braces?

For many people, yes, clear aligners offer a more aesthetic, comfortable, and removable alternative to traditional braces. They’re nearly invisible, easier to clean, and don’t restrict what you eat. However, braces might be better for severe misalignments or bite issues where more precise tooth movement is needed. The best choice depends on your specific case and the dentist’s recommendation.

4. Can you eat with clear aligners on?

No, you should always remove clear aligners before eating or drinking anything besides water. Eating with them on can damage or stain the trays and compromise the treatment’s effectiveness. Once you’re done, it’s best to brush your teeth and rinse your aligners before putting them back in.

5. How painful are clear aligners?

Clear aligners aren’t painful, but you may feel slight pressure or tenderness when switching to a new set, a sign they’re working. This mild discomfort usually fades within a few days as your teeth adjust. Compared to metal braces, most people find clear aligners much more comfortable and easier to tolerate.

Citations:

American Association of Orthodontists. (2025, July 28). Clear Aligners | American Association of Orthodontists. https://aaoinfo.org/treatments/aligners/

What to know about Invisalign and its effectiveness. (2021, January 7). Healthline. https://www.healthline.com/health/does-invisalign-work

Lin E, Julien K, Kesterke M, Buschang PH. Differences in finished case quality between Invisalign and traditional fixed appliances (https://pubmed.ncbi.nlm.nih.gov/35168256/). Angle Orthod. 2022 Mar 1;92(2):173-179. Accessed 1/13/2023.

Leber, C. (2024, September 30). Clear Aligner therapy: The discreet Way to straighten teeth. American Association of Orthodontists. https://aaoinfo.org/whats-trending/clear-aligner-therapy/

Ghodasra R, Brizuela M. Orthodontics, Malocclusion.https://www.ncbi.nlm.nih.gov/books/NBK592395/. StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Accessed February 17, 2025.

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