What to Eat (and Avoid) When Using Clear Aligners

November 11, 2025
Dentist holding a jaw model and pink frosted donut to explain how sugary foods affect teeth and oral health.

Eating with clear aligners is simple: always remove your trays before eating or drinking anything except plain water, then brush or rinse before putting them back in. Avoid hot, sticky, or very hard foods while your teeth are sore, and limit sugary or coloured drinks that can stain or cause decay. Aim for 20–22 hours of daily wear so your treatment stays on track.

What you eat every day has a huge impact on how smoothly your clear aligner journey goes. When you’re new to eating with aligners, it’s normal to feel confused: Can I snack? What about coffee? Are there serious food restrictions aligners wearers need to follow?

In this guide, we’ll walk you through exactly what you can eat, what to avoid, and how to build simple habits that protect your trays and your teeth. As a clear aligner brand, Smileie is focused on helping you achieve a straighter, more confident smile without turning your lifestyle upside down.

Why your diet matters when you’re using clear aligners

Clear aligners are designed to be worn 20–22 hours a day. That means your daily routine – especially eating with aligners, directly affects:

  • How effective your treatment is

  • Whether your trays stay clear and invisible

  • Your risk of cavities, stains, or bad breath

  • How comfortable and convenient the process feels

Ignoring basic food restrictions aligners require can lead to:

  • Cracked or warped aligner trays

  • Staining from coloured drinks or spicy food

  • Longer treatment time because you’re wearing trays less

At Smileie, our treatment plans are created to fit into real life. By following a few smart food and drink rules, you protect your investment and move towards that aligned, confident smile faster.

The golden rule of eating with aligners

Here’s the non-negotiable golden rule of eating with aligners:

Remove your aligners before eating or drinking anything other than plain, room-temperature water.

Why?

  • Hot food and drinks can warp the plastic.

  • Hard or crunchy food can crack or distort aligners.

  • Coloured or sugary drinks get trapped between your teeth and trays, increasing decay and staining.

You can sip plain water with your aligners in, but everything else – tea, coffee, juices, sodas, smoothies, and meals, should be consumed with aligners out.

Key food restrictions aligners wearers should follow

You don’t have to give up all your favourite foods, but you do need to be strategic. The main food restrictions aligners patients should understand are:

  • Avoid very hot foods and beverages with aligners in

  • Skip chewy, sticky items that cling to teeth

  • Be mindful of frequent snacking (it cuts into wear time)

  • Limit sugary and acidic foods that feed cavity-causing bacteria

Understanding food restrictions aligners patients face helps you plan your meals so that most of your daily eating happens in defined time windows, not constant grazing.

What you can safely enjoy (when aligners are out)

Once you remove your aligners, you can eat almost anything – as long as you’re careful with your teeth and clean your mouth before putting trays back in.

Here are aligner-friendly food ideas:

Softer, teeth-friendly options

  • Cooked vegetables (carrots, beans, peas, cauliflower, etc.)

  • Soft fruits (bananas, ripe mango, chikoo, berries, steamed apples)

  • Pasta and noodles (not too spicy or staining)

  • Cottage cheese dishes and curd / yogurt

These are comfortable to chew even if your teeth feel slightly tender after switching to a new set of trays.

Protein and main meals

  • Grilled or baked fish and chicken (avoid biting bones directly)

  • Eggs in any form – boiled, scrambled, omelettes

  • Lentils, chickpeas, and other plant-based proteins

Focus on balanced meals so you stay full and don’t feel tempted to snack all day – which is one of the biggest challenges of eating with aligners.

What to avoid or be careful about

When it comes to food restrictions aligners users should follow, think in these categories:

1. Very hard or crunchy foods

Try to avoid or be extra careful with:

  • Hard nuts and seeds

  • Popcorn (especially kernels)

  • Chikki, brittle sweets

  • Ice cubes (never bite them!)

These can crack teeth or cause soreness, especially when your aligners have just been changed.

2. Sticky and chewy foods

Be cautious with:

  • Chewing gum

  • Caramels, toffees, sticky candies

  • Gummy sweets and jellies

They cling to teeth, get into tiny spaces, and are difficult to clean quickly before you put your trays back in.

3. Strongly coloured or staining foods/drinks

These don’t have to be banned forever, but use them wisely if you want to keep your smile bright:

  • Dark curries 

  • Tomato-based sauces

  • Coffee and tea

  • Red wine, cola, and coloured sodas

  • Turmeric-rich dishes that stain easily

Have them while your aligners are out, drink water afterwards, and clean your teeth before reinserting trays.

4. Constant snacking and sipping

One of the biggest practical food restrictions aligners patients underestimate is time. If you keep removing trays for every small snack or drink:

  • Your daily wear time drops below 20 hours

  • Treatment can slow down or become less predictable

Try to cluster your meals:

  • Breakfast

  • Lunch

  • Evening snack (if needed)

  • Dinner

So that eating with aligners becomes more structured and your aligners stay in for long, continuous stretches.

Smart routines to make eating with aligners easy

To make day-to-day eating with aligners simple and stress-free, build these habits:

  • Carry a compact aligner case so trays never land in tissue paper or pockets.

  • Rinse your aligners with water each time you remove and before you reinsert them.

  • Brush your teeth (or at least rinse and use floss picks) after meals.

  • Set reminders on your phone to put your aligners back in after meals.

At Smileie, our team will guide you on routines that match your lifestyle so your clear aligner journey feels natural rather than restrictive.

Drinking with aligners: what’s allowed?

Here’s a quick guide to drinking and eating with aligners:

You can safely drink (with aligners in):

  • Plain, cool or room-temperature water

You should remove aligners for:

  • Hot drinks (tea, coffee, hot chocolate)

  • Colas and sugary sodas

  • Fruit juices

  • Energy drinks and sports drinks

  • Alcoholic beverages

Sugary or acidic drinks can seep between your teeth and trays, trapping liquid against enamel. Over months of treatment, this dramatically increases the risk of decay and white-spot lesions.

Social events, travel and eating with aligners

Worried about weddings, office parties, or travel plans while eating with aligners?

Simple strategies you can use:

  • Before the event, plan your wear time so you can afford a slightly longer meal window.

  • Keep your aligner case in your pocket or bag – never wrap trays in napkins (they get thrown away!).

  • Drink water between courses to rinse food debris away.

  • After the event, brush or at least rinse, then put aligners back in as soon as possible.

If you follow these food restrictions aligners become easier to live with and your social life doesn’t have to suffer.

How Smileie supports your aligner lifestyle

Smileie’s clear aligners are designed for comfort, convenience and real-life results. Here’s how we help you stay on track:

  • Dentist-planned treatment designed around your bite and lifestyle

  • Clear guidance on eating with aligners, cleaning routines and wear time

  • Remote support so you know what to do if a tray feels too tight or gets damaged

  • Practical tips to manage cravings, travel, and busy workdays

When you’re ready to start, you can explore our pricing, understand why Smileie is trusted by so many smile-seekers, learn exactly how it works, and begin with a quick online smile assessment to see if you’re a good candidate.

Our goal is simple: to help you achieve a straighter, more confident smile with minimal disruption to your everyday life.

FAQs: Eating with clear aligners

1. Can I eat anything I want with clear aligners?

You can eat almost any food you like, as long as you remove your trays first. The main risk isn’t the food itself, but leaving aligners in while chewing or putting them back on without cleaning your mouth. Plan your meals, follow basic food restrictions aligners require, and clean your teeth before reinserting trays.

2. Is eating with aligners painful?

In the first few days, or after switching to a new set, your teeth may feel tender. Eating with aligners in is not recommended – you should always remove them to eat. Choose softer foods (dal, rice, pasta, yogurt, soft fruits) until the sensitivity settles, usually within 2–3 days.

3. Can I drink coffee or tea with my aligners in?

No. Hot drinks can warp the plastic and coloured beverages can stain both trays and teeth. Take your aligners out, enjoy your coffee or tea, rinse or brush, and then put them back in. This small habit protects your smile and keeps treatment on track.

4. How often can I snack during the day?

Technically, you can snack whenever you want, as long as you remove and reinsert aligners correctly. But frequent snacking makes it hard to maintain 20–22 hours of daily wear. For smoother eating with aligners, try to limit yourself to structured meals and one planned snack.

5. What happens if I forget to remove my aligners while eating?

Occasionally taking a bite or two with trays in is unlikely to ruin your treatment, but it can:

  • Crack or distort the aligner

  • Create scratches that trap bacteria

  • Increase the risk of staining

If it happens, remove the trays, rinse them, gently clean your teeth, and check the aligner for visible damage. If you’re unsure, contact your Smileie support team for guidance.

Leave a comment

Please note, comments need to be approved before they are published.

Latest Blog

  • Night-Only Clear Aligners Price Guide: What to Expect in 2025
    Nov 14, 2025

    Night-Only Clear Aligners Price Guide: What to Expect in 2025

    Learn More
  • What Happens If You Don’t Wear Your Aligners for 22 Hours a Day? – Aligners Compliance Explained
    Nov 12, 2025

    What Happens If You Don’t Wear Your Aligners for 22 Hours a Day? – Aligners Compliance Explained

    Learn More
  • What to Eat (and Avoid) When Using Clear Aligners
    Nov 11, 2025

    What to Eat (and Avoid) When Using Clear Aligners

    Learn More
  • How Long Does It Take to See Results with Clear Aligners?
    Nov 10, 2025

    How Long Does It Take to See Results with Clear Aligners?

    Learn More