foods to avoid with clear aligners

Publish on Jul 21, 2025

Eating with Aligners: What You Can & Can't Do

If you're wearing clear aligners like Illusion Aligners, you already know they’re a comfy, easy & discreet way to straighten your teeth. Even though these aligners simplify our life in a great way we do, we have to take care of them. The one thing we must be extremely careful about is what we can have with them and what we absolutely cannot eat with them in our mouths. They are removable and hence do not bring forth any dietary restrictions but in order to keep them in good condition we must learn to maintain them. In the article below, we aim to tackle all the common concerns one has while going out while wearing aligners. Whether it's a date, party, school or office we will explain in detail how you can enjoy your life while managing your orthodontic treatment with aligners.

Should I Eat with My Aligners In?

The simple answer to this question is: No, you should definitely not eat with your aligners in your mouth.

Aligners are made of clear, medical-grade plastic. Chewing while wearing them can cause multiple problems.

  • Changes in the shape of the aligners: Cracks or warping in the trays
  • Difficulty keeping the aligners clean: Food particles to get trapped, increasing your risk of cavities
  • Damaging their transparency: Staining or discoloration, especially with colored or oily foods

Hence, the basic rule is to always remove your aligners before eating anything except water. This protects both your teeth and your trays—and helps your treatment stay on track without any delays.

Foods You Must Avoid (While Wearing Aligners)

The biggest part of following clear aligners diet restrictions is knowing what not to consume with them.

Here are the the items which you must avoid -

Sweet & carbonated drinks:

Soda, juice, energy drinks—these can lead to more tartar build up and also cause cavities when trapped between trays and teeth.

Regular staining beverages:

Coffee, tea, red wine, green tea and energy drinks can all stain your aligners, making them cloudy or yellow.

Hot beverages:

Heat can damage the plastic of your aligners and disfigure them.

Chewing gum:

It sticks to the trays and can dislodge them or warp them.

Hard or crunchy foods:

Even while eating with the trays out, be gentle with crunchy snacks, as mild soreness in the teeth is common during aligner treatment.

What You Can Eat (After Removing Aligners)

We have already discussed what should not be eaten with the aligners in the mouth. Now let's also highlight what you can eat, as long as you remove your aligners first.

Once your trays are safely stored in their case, you’re free to enjoy almost anything. However, softer, gentler foods are better for your teeth—especially in the first few days after tray changes when your mouth may be sore.

Safe Snacks and Drinks

  • Soft fruits: Bananas, mango, berries
  • Yogurt: Great for sore mouths and full of nutrients
  • Soups or smoothies: Easy to eat and gentle on teeth
  • Granola bars: High in protein and easy to chew
  • Water (hot or cold): The only beverage safe to consume while trays are in

Stick with clear, non-acidic, and non-sugary drinks if you're between brushings. And always rinse your mouth before putting your trays back in.

How to Eat at Work or School

Managing aligners while in public or professional settings can feel awkward at first—but it gets easier.

Here are a few tips:

  • Carry your aligner kit: Include your case, travel toothbrush, mini toothpaste, and floss. This will ensure you are able to store them safely and clean your teeth before wearing them again.
  • Remove them secretly: Openly removing aligners in public may seem embarrassing. Head to the restroom or break room to remove trays before meals.
  • Rinse and store: Never wrap aligners in a napkin or tissue as they may get lost or may even get contaminated. Ensure to wash them after removing them and before wearing them again.

What Happens If You Eat with Aligners On?

Even if you don’t notice damage right away, eating with your clear aligners in can have some unexpected consequences over time. Here’s a look at what else can happen if you make a habit of it:

Hidden Effect Why It Matters
Slower Tooth Movement Food pressure can prevent aligners from fully seating on your teeth, which reduces their effectiveness and slows down your progress.
Warped Fit Over Time Regular chewing causes slight changes in shape, which affects how well future trays fit.
Persistent Bad Breath Even if you brush, food particles stuck in aligners create odors that linger.
Increased Saliva Production Eating with trays in can confuse your mouth, triggering excess saliva and discomfort.
Discomfort or Irritation Food pushing the trays against your gums may lead to soreness or cuts inside your mouth.

Quick Cleaning Tips After Eating

Here’s a fast, effective routine to keep your aligners clean :

  • Rinse your mouth - Gargle with water after consuming any food item
  • Brush your teeth - Keep your teeth clean at all times by brushing and flossing regularly
  • Clean your trays - Make sure to keep your aligners clean and wash them regularly
  • Dry and store - Keeping your trays wet in the case may lead to bacterial build up and bad odour. To avoid this always dry them with a clean towel or tissue before placing them in the storage case.

FAQs

Can I drink coffee with aligners in?

No, you cannot have coffee while wearing aligners. Coffee is both hot and staining—two big problems for aligners. Always take off the aligners before drinking coffee and rinse your mouth properly before wearing them again.

Do I need to brush after every meal?

Yes, this is the best for your dental health and the maintenance of your aligners. Brushing after every meal helps remove food and bacteria that could get lodged between your teeth and the aligner trays. If brushing isn’t possible, then rinse your mouth thoroughly with water.

Can I eat chewing gum or hard candy?

Both of these items must be avoided. Gum can stick to your trays and damage them. Hard candy poses a risk to your aligners as they may crack. Both of these also cover your teeth in sugar, which is risky when wearing aligners and may increase the risk of your teeth getting decayed during treatment.

Common Mistakes & How to Avoid Them

  • Keeping aligners out of their case: Always store them in their case—not in a napkin or pocket.
  • Not rinsing them after meals: This leads to bad breath, stained trays, and oral health issues.
  • Irregular wearing of the trays: You should wear aligners 20–22 hours a day. Delays add up.
  • Consuming beverages with trays in: It may seem harmless, but the sugar and acid can wreak havoc on your teeth.
Conclusion

Clear aligners are one of the most comfortable and diet friendly options for straightening teeth. But following a few simple aligners diet restrictions will keep your treatment smooth, clean, and on schedule. Just follow the rules mentioned above and before you know it you will achieve your goal of a dream smile.

Medically Reviewed By Dr Jaineel Parekh, MDS orthodontics

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