When should you replace your custom-fit mouthguard?

3 min read

A custom-fit guard should feel secure, comfortable and easy to wear. When that changes, it is time for a fresh one.

1+ yearWith good care 6Warning signs 1 clickReorders

Why it matters

Protection changes over time

Regular use, chewing, impact, heat and storage all change how a custom-fit guard fits. If it feels loose, looks damaged, smells or bothers you, it may not be protecting you anymore.

Quick check

Your mouthguard should:

Stay in place securely
Feel smooth and comfortable
Have no cracks or tears
Clean up easily
Still feel like your original fit

If it fails any of these, it is probably time for a replacement.

Warning signs

Replace your mouthguard if…

It feels loose

It should stay in place without biting down. If it slips or shifts, the fit may be compromised.

It has deep bite marks

Deep grooves, thin spots or heavy chew marks reduce protection.

It has cracks, tears or rough edges

Visible damage means the material is breaking down.

It smells after cleaning

Odor that will not wash out means bacteria are trapped in the material.

It feels uncomfortable

Rubbing or pinching during play means the fit is no longer right.

It no longer feels like your fit

If it feels different than when it was new, replacement is worth it.

Lifespan

How long does a custom-fit mouthguard last?

It depends on the athlete. With good care and regular cleaning, a custom-fit guard can last a year or more.

Athletes who chew on their guard or mistreat it may go through several in one season. Replace it as soon as you notice changes in fit, comfort, smell or structure.

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FAQ

Frequently asked questions

How long does a custom-fit mouthguard last?

It depends on the athlete. With good care and regular cleaning a custom-fit guard can last a year or more. Athletes who chew on it or mistreat it may go through several per season.

Do I need a new impression to replace my guard?

No. Returning customers reorder from the scan on file and usually receive their guard in about 7 to 10 business days.

Can I fix a cracked mouthguard?

No. A cracked or torn guard should be replaced before your next contact-heavy session.

Does chewing on my guard matter?

Yes. Chewing thins the material and voids the warranty.

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