How Long Does Invisalign Last

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Invisalign is a popular teeth-straightening treatment, sought after for its discreet and convenient nature. Patients often ponder how long the effects last – a significant consideration before undergoing the treatment.

To answer this question, it’s important to understand how Invisalign works. Custom made clear aligners gradually shift your teeth into desired positions. Unlike traditional braces, they can be removed for eating, brushing, and flossing. Compliance influences the longevity of results.

Invisalign treatment typically lasts between 12-18 months. However, individual cases vary. Consistency in wearing the aligners is essential for optimal and lasting results. Neglecting to wear them or deviating from the recommended time may prolong treatment.

In 1997, Dr. Zia Chishti and Kelsey Wirth introduced Invisalign. Their innovation revolutionized orthodontic treatment, providing an aesthetically pleasing alternative to metal braces. Millions of people around the globe have experienced the convenience and effectiveness of Invisalign.

What is Invisalign?

Invisalign is a discreet way to improve smiles. It uses custom-made, clear, removable aligners to straighten teeth. To start the process, a consultation with an orthodontist or dentist is required. Impressions of teeth will be taken for making custom aligners.

These aligners must be worn 20-22 hours a day. Every two weeks, a new set of aligners will be used to move teeth into alignment. Treatment length varies from 6 months to 2 years. Regular check-ups are needed to monitor progress and make adjustments.

To ensure success, instructions should be followed. Oral hygiene should be maintained by brushing and flossing. Staining and damaging foods and drinks should be avoided. Aligners should be stored in their provided case when not in use. Consistency and proper care are key for Invisalign success.

How long does Invisalign last?

Invisalign is a popular orthodontic treatment that offers a discreet and convenient alternative to traditional braces. Many people ask, “How long does Invisalign last?” It depends on individual factors such as the complexity of the case and how well you follow your orthodontist’s instructions.

You’ll typically wear a series of clear aligners for 20-22 hours a day. You change them every 1-2 weeks. Most cases are completed within 12-18 months, but it can take longer.

Good oral hygiene and regular check-ups with your orthodontist are essential. That way, they can track progress and make any necessary adjustments.

To maximize the longevity of your Invisalign results, it’s key to:

  1. Wear your aligners as instructed.
  2. Keep up with your oral hygiene routine.
  3. Don’t skip appointments.

By following these suggestions, you can have a beautiful smile that lasts long after Invisalign treatment. Patience and commitment are key! Enjoy the confidence that comes with knowing you’re taking care of your smile.

Factors that can affect the duration of Invisalign treatment

Factors such as patient compliance, complexity of the case, and dental hygiene can influence Invisalign treatment duration. Wearing the aligners for 20-22 hours a day is key to meeting the desired results.

  • Compliance: Patients who wear aligners as asked will finish treatment faster. Not wearing them as recommended can increase treatment time.
  • Complexity: The severity of dental misalignment affects the length of treatment. Complex cases may require longer treatment.
  • Dental Hygiene: Cleaning teeth and aligners helps prevent complications, which can extend the treatment timeline.

Patients should follow the dentist’s recommendations and attend routine check-ups. Monitoring allows modifications and expedites the treatment process. Communicating with the dental professional ensures any issues are addressed promptly.

Sarah, a 35-year-old patient, completed Invisalign treatment in 6 months. She followed instructions and kept good oral hygiene practices. Her commitment to her dentist’s instructions made a great difference in reaching her goal swiftly.

Tips for maximizing the lifespan of Invisalign aligners

  1. Clean regularly with a soft toothbrush & non-abrasive toothpaste. Rinse thoroughly.
  2. Don’t eat or drink anything except for water while wearing them.
  3. Store in their case. Avoid leaving exposed.
  4. Be gentle when removing & inserting. Use fingertips from the back molars.
  5. Stick to the recommended wear time (20-22 hours). Consistency is key!
  6. Keep up with dental appointments. Monitor progress & make adjustments if needed.

Follow these guidelines for successful treatment & increased durability.

Pro Tip: If you lose or damage an aligner, contact your orthodontist ASAP!


The lifespan of Invisalign depends on various factors. Such as the severity of misalignment, commitment to wearing aligners and regular check-ups. It’s important to follow the dentist’s instructions for the best outcomes.

Each individual may have different results. Some may finish treatment in few months, while others may take longer.

Also, it’s essential to keep good oral hygiene. Brush and floss regularly to keep aligners free from bacteria.

This info isn’t a substitute for professional advice. So, consult a qualified dentist for accurate guidance.

The American Association of Orthodontists (AAO) published an article. It says Invisalign treatment typically lasts 12-18 months.

Frequently Asked Questions

FAQs about how long Invisalign lasts:

1. How long does Invisalign treatment last?

The duration of Invisalign treatment varies depending on individual cases. On average, it takes about 12 to 18 months to complete, but some cases may be shorter or longer.

2. Do I need to wear Invisalign all the time?

To achieve the desired results, it is recommended to wear Invisalign aligners for 20 to 22 hours a day. They should only be removed for eating, drinking, brushing, and flossing.

3. Can Invisalign aligners wear out?

Over time, Invisalign aligners may show signs of wear. On average, they are changed every one to two weeks throughout the treatment. Your orthodontist will provide you with a new set of aligners as needed.

4. What happens after completing Invisalign treatment?

After your Invisalign treatment is complete, you will likely be given retainers to wear. Retainers help maintain the newly aligned teeth and are usually worn at night. Your orthodontist will provide specific instructions.

5. How long do Invisalign retainers need to be worn?

The duration for wearing Invisalign retainers varies depending on your orthodontist’s recommendation. Typically, they are worn for several months initially and then gradually reduced to only a few nights a week.

6. Can I use my old aligners instead of retainers?

No, using your old Invisalign aligners instead of retainers is not recommended. Retainers are specifically designed to maintain the results achieved by the Invisalign treatment. It is best to follow your orthodontist’s instructions regarding retainers.

Dr Febin Mary George - Editor

With more than 10 years as a dental surgeon, Dr Febin Mary George is passionate about educating consumers around the world to help look after their teeth.

She completed her Bachelor of Surgery at the Century Institute of Dental Science and Research Centre in 2010.

Alongside editing the International Journal of Dental Clinics she has also written for major publications including Thrive Global.