How To Trim Your Toothfairy™ Aligners

Our aligners are all hand checked and inspected before reaching you but sometimes there can be a small spot that still bothers you. This is because the mouth can be super sensitive at times! Therefore sometimes you may be instructed by your dentist to trim the aligners in the area that is causing the issue.

How Do You Do It?

The first step is to identify the high point that is impinging against the gums or tongue.

Use any nail file to trim down the high area.

Remember we want to ensure all your teeth are covered by the aligner so please make sure you do not remove too much material in one go. You can always take off more later if needed. Once its gone, its gone!

What If you don’t have a nail file / it doesn’t work?

If there’s too much excess material on your aligners which you can’t remove by using a file by itself, you can use small scissors to trim.

However, before doing this, please let your dentist know by using the Chat feature found on our award winning app – search Tooth Fairy in the App/Google Play stores.
The dentist will be able to advise you on how best to trim the aligners either on the chat or by arranging a short video call.

Only use scissors/cuticle scissors after speaking to your dentist. Gently cut away at the high part, being careful to not have your fingers near the area being cut. As with filing, please do this gradually, one step at a time trying to remove as little material as possible each time.

Aligners job is to move the teeth so always make sure you do not trim below the gum line so that the aligner is always covering all of the tooth surface with a small amount of material left above the teeth!

Whatever you do, keep wearing your aligners. If you stop for a day or two, it’ll become harder to put them back in, which could make the discomfort last longer than it would otherwise.

Last updated on February 7, 2024

Dr. Deepak Aulak

Dr. Deepak Aulak is a London-based dental practitioner with a special interest in cosmetic dentistry. Having graduated from King's College London in Dentistry, Dr. Aulak was decorated with over a dozen awards and scholarships along the way, which notably include the Jelf Medal, Malleson Prize for research and GKT Hospital's Full Shields.


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