Brushing your teeth and eating with aligners: the right steps

Brushing your teeth and eating with aligners: when to remove them, what to drink, and how to clean your teeth after every meal without making mistakes.

Publié le 19/09/2026 4 min de lecture Relu par l'équipe Y-Brush

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Brushing your teeth and eating with aligners requires a few simple habits that quickly become second nature. Clear aligners are removed for meals and put back once your teeth are clean, protecting both the appliance and your enamel. Here are the right steps for making your treatment easy to manage, from breakfast to the last snack of the day.

the essentials to remember

Always remove your aligners to eat and to drink anything other than water.
Brush your teeth after every meal before putting the aligners back in.
Eating with your aligners in damages them and traps sugars.
Irritation or pain that persists warrants advice from your practitioner.

The golden rule can be summed up in one sentence: nothing other than water should pass your lips while your aligners are in place. Any other drink or food should be consumed with the aligners removed and stored in their case so they do not break or get lost.

This principle protects your treatment on two fronts. First, it prevents the aligners from becoming misshapen or stained. Second, it keeps sugary residue from becoming trapped against your teeth under the plastic, creating an ideal environment for cavities.

Eating with aligners: what should you remove?

Before every meal or snack, systematically remove both aligners and store them in their case. Eating while keeping them in is a false good idea: the pressure from chewing can crack them, and food can slip underneath. Once the meal is over, never put the aligners back on unbrushed teeth.

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Definition. An aligner, or orthodontic tray, is a removable transparent shell made to measure. Because it is removable, you are responsible for managing when to remove and replace it, unlike fixed braces.

What can you drink while wearing your aligners?

Only plain water at room temperature can be drunk while wearing your aligners. Coffee, tea, juices, soft drinks and alcohol stain or deform the aligners and expose your teeth to sugar and acidity. Very hot water should also be avoided, as heat can soften the plastic. For any other drink, remove the aligners, then rinse your mouth before putting them back in.

Brush your teeth before putting your aligners back in

This is the central step of the treatment: after eating, brush your teeth before putting the aligners back in. Without brushing, sugars and bacteria remain sealed against the enamel for hours, increasing the risk of cavities and bad breath. A Y-Brush sonic toothbrush cleans both jaws in ten seconds each, a decisive advantage when you need to brush after every meal, including at work. It is 2× more efficient than traditional electric toothbrushes, according to tests conducted by Y-Brush, helping you keep your teeth healthy throughout the time you wear aligners.

Remove the aligners. Take out both aligners and store them in their case before sitting down to eat.
Eat comfortably. Enjoy your meal without restrictions related to the aligners.
Brush your teeth. Carefully brush each jaw to remove all residue.
Put the aligners back in. Replace the aligners on clean, dry teeth.

Y-Brush tip. Put a toothbrush in your bag for brushing at lunchtime when you are away from home. A toothbrush 2× more efficient than traditional electric toothbrushes, according to tests conducted by Y-Brush, makes the process quick even without a bathroom nearby.

Everyday mistakes to avoid

Three mistakes are common: snacking while keeping the aligners in, drinking a sugary beverage with the aligners in place, and putting the aligners back in without brushing because of a lack of time. Each one weakens the treatment and harms dental health. If, despite good hygiene, you experience persistent pain, gum irritation or unusual discomfort, do not leave it untreated.

Note. Persistent pain, a sore in your mouth or an inflamed gum should prompt you to see your orthodontist or dentist. Only a professional can check that the aligner fits properly and rule out an underlying problem. Never adjust an aligner yourself.

These habits around meals are an integral part of a successful dental aligner treatment, alongside the follow-up provided by your practitioner.

Frequently asked questions: brushing and eating with aligners

Do you need to remove your aligners to eat?

You should always remove your aligners to eat. Chewing can crack the aligners, and food can slip underneath them against your teeth. Store the aligners in their case during the meal, then brush your teeth before putting them back in.

Can you drink while wearing your aligners?

Only plain water at room temperature can be drunk while wearing your aligners. Coffee, tea, juice, soft drinks and alcohol stain or deform the aligners and expose your teeth to sugar. For any other drink, remove the aligners and rinse your mouth before putting them back in.

Do you need to brush your teeth after every meal with aligners?

Brushing your teeth after every meal is essential when wearing aligners. Putting the aligners back on unbrushed teeth traps sugars and bacteria against the enamel. A quick brush makes this repeated step easier several times a day, including at work.

What should you do if you do not have a toothbrush at mealtime?

If no toothbrush is available, rinse your mouth and the aligners thoroughly with clean water before putting them back in. This is a temporary solution, not a replacement for brushing. Ideally, carry a pocket toothbrush so you do not skip cleaning after meals away from home.

Can eating with your aligners damage your teeth?

Eating while keeping your aligners in can damage both the aligners and your teeth. Food trapped under the plastic promotes cavities and staining, while chewing can crack the aligner. If you experience persistent pain, consult your orthodontist without delay.