How to Use Chewies With Clear Aligners

Can't seat your aligner trays perfectly?

Use chewies to do that, and it'll make them feel more comfortable and work better. Get yours with Caspersmile Aligner Essentials for just £27.

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How to use chewies with clear aligners: Step by step

Using a chewie is not complicated, but there is a right way to do it. It all comes down to technique and placement, not just how hard you bite.

Step 1: Put your aligners in fully

Put your trays in as far as they will go with your fingers first. Start at the front and work backwards. The chewie is not meant to do the initial seating work; it is meant to refine the fit once the tray is mostly in place.

Step 2: Position the chewie at the back

Place the chewie lengthwise between your upper and lower teeth, starting at one side of your mouth near the molars. The back teeth are typically the hardest to fully seat, so this is where most of the work needs to happen.

Step 3: Bite down and roll

Apply slow, steady biting pressure rather than fast, aggressive chewing. Bite down, hold for a moment, then roll the chewie slightly along the tooth surface. Repeat this motion for about 30 seconds per section before moving the chewie to the other side of your mouth.

Step 4: Work your way to the front

After both back sections, move the chewie forward and repeat along the premolars and front teeth. The goal is to cover every area of the tray, not just the sections that feel loose. Even parts that seem fine can benefit from being re-seated properly after a new tray change.

How often to use chewies and for how long

That depends on your treatment stage. Most providers recommend using them every time you wear aligners, especially after you switch to a new tray. If you have just started a new tray, use it more frequently during the first few days to help the aligners fit properly.

When it comes to how long to chew aligner chewies, consistency matters more than long sessions. It's not something you have to wear for a certain period of time. It is just used to fix the aligners properly in place. So, use them every time you wear them.

That being said, replace chewies when they become soft or lose their shape, as worn chewies are less effective at seating your aligners.

Tips for using chewies with aligners that actually help

Here are a few tips for using chewies with aligners

Use them consistently with each new tray

The first 48 to 72 hours with a new tray are when your teeth are still adjusting to the new forces. So, using chewies during these initial days gives the tray the best chance of applying force correctly throughout its full wear period.

Do not skip the back teeth

Most people instinctively focus their biting pressure on the front teeth because that is what they can see and feel most easily. The back molars, however, are usually where gaps form first, particularly when trays have been out for longer periods. Pay deliberate attention to those rear sections every time you use a chewie.

Rinse the chewie regularly

Chewies pick up bacteria in the mouth just like aligners do. Rinse yours with cold water after each use and allow it to air dry. Avoid hot water, which can deform the material over time.

Now, people ask: Do aligners hurt? Well, sometimes yes, and the reason is almost always the wrong fit. And not seating them properly one of the major contributing factors. Using chewies eliminated that.

Finally, make chewies a daily habit & your aligners will thank you

Chewies are one of the smallest tools in aligner treatment, but they carry more weight than most people give them credit for. When used consistently, they keep trays seated precisely, reduce discomfort during tray transitions, and give your treatment the best conditions to stay on schedule. Five to ten minutes a day is a modest investment for results that compound over the weeks and months of your treatment.

If you are currently wearing clear aligners, get into the habit of using a chewie every time you reinsert your trays. It takes almost no time, requires no skill to learn, and makes a tangible difference to how your aligners perform. Small habits, done consistently, are often the ones that matter most.

Frequently asked questions

When should I use chewies for aligners? +

Use chewies every time you reinsert your aligners after a meal, and especially during the first few days of wearing a new tray to ensure it seats correctly.

What happens if you don't use chewies? +

Without chewies, gaps can form between the aligner and your teeth, reducing the precision of force applied and potentially slowing down or disrupting your treatment progress.

How to use clear aligner chewies? +

Place the chewie between your upper and lower teeth, bite down slowly, and roll it along the tray from back to front, spending around 30 seconds on each side of your mouth.

Can I bite down on my aligners? +

You should press aligners into place with your fingers first and only use a chewie for the final seating, as biting down hard directly on trays without a chewie can crack them or dislodge attachments.