Can You Safely Wear a Cracked Aligner?
Oral Health Blog

Can You Safely Wear a Cracked Aligner?


Embarking on an Invisalign journey is an exciting step toward achieving a straighter smile. However, encountering a cracked Invisalign aligner can be worrisome. In this article, we will explore whether it's safe to continue wearing a cracked Invisalign aligner and what steps to take if you find yourself in this situation.

1. Assess the Severity of the Crack

The first step is to assess the severity of the crack in your Invisalign aligner. Not all cracks are created equal, and the impact on your treatment can vary widely.

  • Minor Surface Crack: If the crack is minor and only affects the surface, it may not significantly impact your treatment. In such cases, it may be safe to continue wearing the aligner, but consult with your orthodontist to confirm.

  • Major or Structural Crack: A significant or structural crack that compromises the integrity of the aligner is cause for concern. Continuing to wear an aligner in this condition can lead to ineffective treatment or discomfort.

2. Contact Your Orthodontist

Regardless of the severity of the crack, it's essential to contact your orthodontist as soon as you notice the issue. They will be able to provide specific guidance based on your unique situation.

3. Temporary Solutions

While waiting for guidance from your orthodontist, there are some temporary solutions you can consider:

  • Switch to the Previous Aligner: If your current aligner is severely cracked, you may temporarily revert to wearing the previous set until a replacement is available. This can help maintain your progress.

  • Smooth Sharp Edges: If the crack has left any sharp or uncomfortable edges, you can carefully smooth them with a nail file or a clean, fine-grit sandpaper. Be gentle to avoid further damage.

4. Avoid Gluing or Repairing

It's crucial to note that attempting to repair a cracked Invisalign aligner yourself, such as using adhesives or glues, is not recommended. These DIY fixes can alter the aligner's fit, potentially causing harm to your teeth or interfering with your treatment plan.

5. Preventing Cracks

Preventing cracks in your Invisalign aligners is the best approach. Follow these tips to minimize the risk:

  • Handle with Care: Always handle your aligners gently, especially when removing or inserting them.

  • Store Properly: When not wearing your aligners, store them in their case to protect them from damage.

  • Avoid Eating and Drinking (except water): Remove your aligners before eating or drinking anything other than water to prevent exposure to staining or damaging substances.

  • Regular Checkups: Attend your scheduled orthodontic checkups to ensure your treatment is progressing as planned.


A cracked Invisalign aligner can be a setback, but it's essential to prioritize your oral health and the effectiveness of your treatment. Assess the severity of the crack, contact your orthodontist promptly, and follow their guidance. Remember that attempting DIY repairs can do more harm than good, so it's best to leave the assessment and any necessary replacements or adjustments to the professionals.

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The content in this article is for informational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider before making any changes to your health regimen. The author and publisher do not take responsibility for any consequences resulting from the information provided in this article.