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How to Properly Clean Invisalign

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Clear aligners in a purple case resting on a small white stand with floss, an electric toothbrush, and a water flosser next to them.

Cleaning your Invisalign aligners is crucial for maintaining both your oral health and the effectiveness of your treatment. Proper care prevents bacteria buildup and staining and keeps your aligners virtually invisible. 

To properly clean your Invisalign aligners:

  1. Remove and rinse under lukewarm water
  2. Brush gently
  3. Soak aligners in a retainer cleaner
  4. Brush again
  5. Rinse and dry

Why Is It Important to Clean Invisalign Properly?

Properly cleaning your Invisalign aligners is crucial for several reasons:

  • It prevents the buildup of bacteria and plaque, which can lead to oral health issues such as bad breath, cavities, and gum disease. 
  • Clean aligners remain clear and invisible, which is one of the primary benefits of choosing Invisalign over traditional braces. 
  • Regular and proper cleaning helps ensure the aligners do not retain odours.

How Often Should Invisalign Be Cleaned?

To maintain optimal hygiene, clean your aligners every time you brush your teeth—at least twice a day. It is also advisable to rinse them after meals to prevent food particles from becoming trapped.

A Step-by-Step Guide to Cleaning Invisalign

Step 1: Remove & Rinse

Carefully remove your Invisalign aligners and rinse them under lukewarm running water to remove saliva, food particles, and other debris.

Step 2: Brush Gently

Using a soft-bristled toothbrush and clear, liquid soap, gently brush all surfaces of the aligners. Do not use toothpaste, as it can be abrasive and cause scratches.

Step 3: Soak Aligners

Prepare a soaking solution by mixing a small amount of Invisalign cleaning crystals, a Polident retainer cleaning tab. Immerse the aligners in the solution and let them soak for 15–30 minutes.

Step 4: Brush Again

After soaking, use a soft-bristled toothbrush to gently brush the aligners to remove the remaining residue.

Step 5: Rinse & Dry

Rinse the aligners thoroughly under lukewarm water to wash away any cleaning solution. Shake off excess water and gently pat them dry with a clean, soft cloth.

Step 6: Store Properly

When not wearing your aligners, store them in their designated case to prevent exposure to bacteria and dirt. Keep the case clean and dry.

An infographic explaining how to properly clean Invisalign aligners from Cooper Dental in downtown Calgary.

Additional Tips for Maintaining Clean Invisalign

  • Avoid hot water: Exposing your aligners to hot water can warp the plastic, affecting their fit and effectiveness. Always use lukewarm or cold water for rinsing.
  • Use an Invisalign cleaning system: Consider investing in a cleaning system designed specifically for Invisalign. These systems often use ultrasonic technology and cleaning crystals to effectively remove plaque and bacteria.
  • Attend regular dental checkups: Schedule regular appointments with your dentist to monitor your aligners and overall dental health.

Can I Use Toothpaste?

While toothpaste might seem like a good idea, it is not recommended. Toothpaste is abrasive and may scratch your aligners, making them more visible and less effective. Stick to using a gentle soap or the Invisalign cleaning system.

Instead, opt for a soft-bristled toothbrush, clear, unscented antibacterial soap, or a specialized Invisalign cleaning solution.

Can I Use Soap?

Yes, we recommend using a clear, antibacterial soap as a safe and effective way to clean your aligners. Choose soap free from dyes and fragrances that leave residues or affect the taste. Use a soft toothbrush to gently scrub all surfaces, then rinse thoroughly with lukewarm water.

Close-up of a person's hands cleaning clear aligners with a blue toothbrush against a light blue background.

What Tools Can I Use to Clean Invisalign?

Several tools are designed to help maintain and clean your Invisalign aligners more effectively. These include:

  • Invisalign cleaning crystals: Invisalign offers its own brand of cleaning crystals. To achieve a thorough clean, simply dissolve a packet of the cleaning crystals in water and soak your aligners for the recommended time. 
  • Polident retainer cleaning solution: For a deep clean of your Invisalign aligners, dissolve a tablet of Polident Antibacterial Daily Cleanser for Retainers into water and soak your aligners.
  • Ultrasonic cleaning devices: Ultrasonic cleaners use high-frequency sound waves to create tiny bubbles that dislodge plaque and debris from your aligners. Remember to use a cleaning solution that is safe for Invisalign aligners when using an ultrasonic cleaner.
  • Specialized brushes: While a soft-bristled toothbrush can suffice, special brushes are available for cleaning aligners. These brushes often have smaller bristles that can more effectively reach the corners and creases of the aligners.

Get Advice for Invisalign Care

Properly cleaning your Invisalign aligners is essential for maintaining oral health and supporting the aligners’ effectiveness and appearance. Following these guidelines can help keep your aligners clean, clear, and odour-free for a beautiful, healthy smile. 

Book an appointment at Cooper Dental today for personalized advice on your Invisalign journey.

Written by Dr. Deborah Cooper

Dr. Deborah Cooper completed her Doctor of Dental Surgery degree in 1992 from the University of Alberta. With over 30 years of experience in general dentistry, her passion for her profession is evident in how she strives for excellence. She attends dental courses to stay up-to-date on the most current developments in dentistry. Dr. Cooper has a special interest in conservative aesthetic dentistry and creating natural-looking smiles with healthy bites. For Dr. Cooper, individual patient care has always been her top priority. Many of her patients have been with her for well over 30 years. She also values her team and has many long-standing team members.
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