Mouth Guards for Kids: Safe Options & Fitting

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An image shows a little skateboarder holding a mouth guard

Children radiate energy and joy, from pedaling bikes to kicking soccer balls across the field. They have unbounded energy that turns into adventures, but invites all the possibilities of accidents happening, especially with their teeth. One of the simplest and most effective ways to protect your child’s new smile is by using a mouth guard. These mouth guards for children are effective for sports, teeth grinding, and other dental needs, something a generic, self-fitting guard simply can’t match when it comes to preventing serious dental injuries. This guide explores the importance of kids mouth guards, selecting the best mouth guards, and ensuring a custom-fitting mouth guard for kids.

Understanding Kids Mouth Guards

Kids’dental mouth guards are soft, protective coverings worn over the teeth and gums to keep them safe from hits or grinding. They’re great for sports, martial arts, or for kids who grind their teeth while sleeping. Unlike adult mouth guards, these are specifically designed to fit smaller, growing mouths and support developing teeth.

Why Do Children Need Mouth Guards?

  • Sports: Sports like football, hockey, and martial arts can cause serious tooth injuries. Even non-contact sports such as skating or gymnastics have risks.
  • Teeth Grinding: Some kids grind their teeth while sleeping, which can wear down enamel and cause jaw pain. A mouth guard helps with that.
  • Braces and Dental Gear: If your child has braces or other dental work, their mouth is more at risk. A guard helps protect their mouth and the dental device.

According to the American Dental Association, athletes without mouth guards are 60 times more likely to hurt their teeth. To promote compliance among young children and build a habit of wearing mouth guards, parents can try flavoured mouth guards for younger children.

Types of Kids Mouth Guards

When choosing a kids' dental mouth guard, it’s important to understand the three main types available: stock mouth guards, boil-and-bite mouth guards, and custom-fitted mouth guards.

Stock Mouth Guards

These are the simplest type. They’re already made and ready to wear right out of the package. You can find them easily in sports stores, and they come in standard sizes such as small, medium, or large. They're cheap and convenient, but not always comfortable. Since they’re not made to fit your child’s mouth specifically, they can feel bulky and make it harder to talk or breathe. These are best for short-term use or as a quick fix when nothing else is available.

Boil-and-Bite Mouth Guards

These are popular and often recommended for kids. They're made from a soft material that becomes moldable when placed in hot water. Once softened, your child bites into the guard so it shapes to their teeth. This gives a much better fit than stock guards. Boil-and-bite types are affordable, fit better, and offer good protection, making them great for regular use during sports and play.

Custom-Fitted Mouth Guards

Custom-fitted mouth guards are the top-of-the-line options. A dentist makes them using a mold of your child’s mouth, so they fit perfectly. They’re more comfortable, offer the best protection, and are especially good for kids with braces, sensitive teeth, or unique dental needs. Though they cost more, they last longer and are worth it for active kids or those needing extra mouth care.

Guard your Grin on the Ground.

Smilepath sports mouth guards in NZ offer custom-fit protection.

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Child Mouth Guard Fitting: How to Ensure the Best Fit

A man putting mouth guard in his mouth
Custom Mouth Guard

A good fit matters; it should be comfy, let your child breathe easily, and stay in place. A mouth guard that doesn't fit well might fall out, feel uncomfortable, or even be a choking risk.

Steps to Ensure a Proper Fit

  • Pick the Right Kind: Choose between a boil-and-bite guard or a custom-made one based on how often your child will wear it and what their mouth needs.
  • Follow the Steps: If it’s a boil-and-bite type, ensure the water isn’t too hot and shape it quickly after softening.
  • Test the Fit:
  • It should cover the teeth without going too far onto the gums.
  • It shouldn’t make it hard to breathe or talk.
  • It should stay in place without your child having to bite down on it.
  • Ask a Dentist: If you’re unsure, talk to your child’s dentist or orthodontist. They can help you choose or make a custom one.

Mouth Guards for Kids by Age Group

Kids of different ages have different dental needs, so it’s essential to choose a sports mouth guard for 5 year old that suits their stage of development.

Infants & Toddlers (Ages 0–4)

Mouth guards aren’t usually needed at this age unless there’s a medical issue such as serious teeth grinding (bruxism). If that’s the case, talk to a pediatric dentist.

Young Children (Ages 5–8)

This is when many kids start playing sports.

  • Look for: Mouth guards made from soft, flexible materials. Boil-and-bite types are a great fit since they can be molded easily.
  • Popular search: “sports mouth guard for 5-year-old.”

Tweens (Ages 9–12)

  • At this age, children’s teeth are still developing, but they are more structured and stable than in earlier years. Some may start wearing braces.
  • Look for: Custom mouth guards, especially those made for kids with braces.

Teens (Ages 13+)

  • Most permanent teeth are in by this point. Teens often play more intense sports and need stronger protection.
  • Custom-fitted mouth guards are a smart choice for the best fit and performance.

Constant Headaches? Night Grinding Might Be the Reason.

Try Smilepath Night Guards – a simple, effective solution for restful sleep and pain-free mornings.

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Maintenance and Care

Taking care of the mouth guard helps it last longer and keeps your child safe from germs.

Cleaning Tips

  • Rinse it with cool water before and after use.
  • Brush it weekly with toothpaste and a toothbrush.
  • Store it in a case with good airflow.
  • Don’t use hot water, as it can change the shape.

Replacement Frequency

  • About every 6 months
  • If it feels loose or has any cracks.
  • If your child’s teeth shift or their braces change.

Best Kids Dental Mouthguards

Choosing the best mouth guards for kids involves evaluating quality, comfort, and protection.

An image shows a Smilepath Mouth Guard
An image shows a Smilepath Mouth Guard

Smilepath makes custom-fitted mouth guards just for kids, and you don’t even need to go to the dentist. Instead, they send a simple at-home kit so parents can take a dental impression right at home. That mold is used to create a mouth guard made specifically for your child, built for comfort, easy breathing, and safety.

These guards are made from soft, medical-grade, BPA-free materials and are specially designed to fit growing mouths. The result is a snug fit that allows your child to talk, breathe, and stay comfortable, whether they’re playing sports or sleeping.

Shield That Grin, Win the Game

From rugby to recess, Smilepath mouth guards are made to fit and protect.

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Who Are Smilepath Mouth Guards For?

  • Active kids in sports: Great for children in contact or high-impact sports such as football, hockey, martial arts, soccer, biking, skateboarding, and more.
  • Kids who grind their teeth at night: Smilepath offers night guards made to protect against damage, jaw pain, and even headaches from teeth grinding.
  • Children with braces: Since these guards are custom-made, they can fit perfectly around braces and changing dental structures.

Key Features

  • Custom, Comfortable Fit: Since it’s molded from your child’s dental impression, the fit is much better than stock or boil-and-bite guards. It stays in place without feeling bulky and lets your child breathe and speak easily.
  • Safe, High-Quality Materials: The guards are made from soft, BPA-free plastic that’s strong enough to protect but gentle on young mouths.
  • No Dentist Visit Needed: The at-home kit makes the whole process easy, affordable, and less stressful for both parents and kids.

How Smilepath Guards Compare: Overview Table

Feature Smilepath Custom Mouth Guards Boil-and-Bite Guards Stock Mouth Guards
Fit & Comfort Excellent, tailored for kids Moderate, requires molding Poor, genetic sizing
Breathing and Speech Easy and unrestricted Slight restriction Often bulky, speech impacted
Protectcion Level High (sports + bruxism) Moderate Minimal
Material Safety BPA-free, medical grade Varies Basic materials
Conveience At-home impressions, no dentist Boiling required Ready-to-wear
Cost Estimate Higher up-front, long lifespan Budget-friendly, may need retreatment Low cost, minimal

Expert Considerations

  • The American Dental Association recommends mouth guards for nearly 29 children’s sports—including football, basketball, gymnastics, skating, and more.
  • Studies show mouth guard use can reduce overall orofacial injuries by as much as 7 × compared to non‑use, highlighting their preventive importance.

Final Takeaways: Protect Kids Smiles Early

Choosing the right mouth guard for your child is a smart move to protect their teeth, whether they’re playing sports, sleeping, or wearing braces. If your child is just starting in sports or deals with teeth grinding at night, the right mouth guard gives you peace of mind while protecting their smile.

Smilepath is one of the top choices for kids because it offers custom mouth guards you can order from home, no dentist visit needed. Their soft, medical-grade materials are perfect for sports, nighttime use, and even for kids with braces.

Call us at +64 98705733 to explore more best mouth guards for kids available in NZ.

FAQs

Are mouth guards good for kids?

Yes, mouth guards protect children’s teeth during sports and can prevent damage from nighttime grinding.

Can a 4-year-old have a mouth guard?

Yes, but only under dental supervision. A dentist can recommend safe, age-appropriate options.

Why does Steph Curry chew on the mouth guard?

It’s a habit that helps him focus. While not recommended, some athletes chew on their guards during games.

At what age can a child wear a night guard?

Most dentists suggest night guards for kids aged 5 and up, depending on symptoms and dental development.

Citations:

American Dental Association Council on Access, Prevention, and Interprofessional Relations & Council on Scientific Affairs. (2006). Using mouthguards to reduce the incidence and severity of sports-related oral injuries. Journal of the American Dental Association, 137(12), 1712–1720. Ada Association+1

Mojarad, F., Farhadian, M., & Torkaman, S. (2020). The prevalence of sports-related dental injuries and the rate of awareness of mouthguard use among child athletes. Journal of Pediatric Research, 7(4), 358–364. jpedres.org

Kececi, A. D., Cetin, C., Eroğlu, E., & Baydar, M. L. (2005). Do custom-made mouth guards have negative effects on the aerobic performance capacity of athletes? Journal of Sports Science & Medicine, 4(3), 355–362. (Study of ventilatory impact in teen athletes.) JSciMed Central+5researchgate.net+5PMC+5

Bowie, S., & Carrol, M. (2021). Development status of mouthguard materials and production methods: A comprehensive review. Frontiers in Dental Medicine, 1, Article 1513223. https://doi.org/10.3389/fdmed.2024.1513223 frontiersin.org

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