Key takeaways

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Mouthguards are essential for contact sports: They protect teeth, jaw, and soft tissues from sudden impacts.

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They prevent serious dental injuries: Mouthguards reduce the risk of chipped, cracked, or knocked-out teeth.

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Soft tissue protection is just as important: Lips, cheeks, and tongue are shielded from cuts and bruises.

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Jaw and neck safety: Mouthguards absorb shock, limit extreme jaw movement, and reduce strain on surrounding muscles.

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May lower concussion risk: They cushion impacts that could send shockwaves to the skull and brain.

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Custom-fit vs. generic guards: Custom guards offer superior comfort, stability, and protection, while generic guards are more affordable but less precise.

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Consistent use matters: Wear your mouthguard during sports, at night for teeth grinding, or when managing braces, dental work, or jaw pain.

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Myths debunked: A well-fitted mouthguard doesn’t affect breathing, talking, or performance — it actually helps you play more confidently.

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Invest in your protection: A properly fitted mouthguard can save you from costly dental procedures and keep you playing safely.

If you play any type of contact sport, rugby, hockey, basketball, martial arts, you name it, you already know how fast things can change on the field. One second you’re focused on the game, and the next… WHAM. An elbow, a knee, or even the ground can make contact with your face before you even know what happened. That’s exactly why wearing sports mouthguards is a must.

A  mouth guard for sports can be the difference between finishing the match with a smile and ending your day in an emergency dental visit. Let’s break down why this small piece of equipment is one of the most important (and most overlooked) parts of your gear.

Table of Content

The purpose of a mouth guard in contact sports

A rugby player wearing a sports mouthguard

A mouthguard for sports is a shield that protects you from any impact. Think of it as a shock absorber, taking the hit so your teeth, jaw, and soft tissues don't have to. Here's why athletes depend on them:

  • They protect teeth from direct hits: Minimizing the full force of the impact on your teeth, the mouthguard can absorb the initial shock.

  • They reduce the risk of cracks, chips, and knocked-out teeth: Contact sports involve high-speed collisions, which often cause enamel fractures. A mouthguard will spread pressure evenly, minimizing the chance of serious injury.

  • They act as a barrier for lips, tongue, and cheeks: This prevents accidental cuts caused by sharp teeth or braces during sudden movements.

  • They help stabilise the jaw: While playing sports, things change in a flick of seconds; a sports mouthguard helps reduce extreme movements when the mouth snaps shut or moves abruptly, leading to fractures or dislocation.

Common sports requiring mouthguards include rugby, boxing, basketball, hockey, martial arts, and other physically intense activities.

Specific benefits of using a mouth guard

Let's look at its major benefits in a way that's easy to understand.

Prevents tooth damage

And here's how it does:

  • Shields teeth from chips, cracks, and breaks: Sports gum shields create a soft protective layer that absorbs impact, preventing teeth from colliding with each other or external objects.

  • Reduces risk of loosened or knocked-out teeth: Strong contact can easily dislodge a tooth, but a proper mouthguard spreads the blow across multiple teeth, minimizing direct damage.

  • Distributes shock evenly across the mouth: Instead of one tooth taking the hit, the impact is spread out, significantly reducing injury severity.

  • Prevents long-term, costly dental procedures: Root canals, crowns, or implants aren't just expensive — they're avoidable when using a sports mouth guard consistently.

Protects soft tissues

A sports mouthguard shields soft tissues. Here's how:

  • Protects lips, cheeks, and tongue from cuts and bruises: Sharp teeth can tear soft tissue during sudden movements in sports; a mouthguard acts as a soft bumper, preventing injuries.

  • Ideal for athletes with braces: A mouthguard is free from metal brackets or sharp wires like metal brackets, preventing potential cuts upon impact.

  • Prevents accidental biting: When you get hit unexpectedly, you can bite down hard and end up hurting your tongue or cheeks. A mouthguard acts like a soft, protective cushion that helps prevent those injuries.

  • Decreases infection risk from open wounds: When you have fewer cuts, there are fewer chances for bacteria to get in — so your mouth stays healthier.

Reduces jaw and neck injuries

A quality mouthguard does reduce the chances of jaw and neck injuries.

  • Absorbs shock to reduce pressure on the jaw: Without a mouthguard, an impact can send force directly up the jaw into the skull. The guard reduces the intensity of that movement.

  • Limits extreme jaw movement: A sudden hit can force your jaw to snap open or shut, causing strain or injury. A mouthguard stabilises it, keeping movement within a safer range.

  • Helps prevent fractures or dislocation: The cushioning effect around the jaw joint lessens the chance of the jaw shifting out of place.

  • Reduces strain on neck muscles: With better jaw alignment during impact, tension in surrounding muscles, such as the neck and shoulders, is also reduced.

Helps prevent concussion

While it doesn't have a direct correlation, mouthguards do protect against concussions to some degree.

  • Cushions against upward force through the jaw: A strong impact to the chin can send shockwaves to the skull. A mouthguard softens this transfer of force.

  • Reduces brain-jarring movement: Less shock is transferred to the head, meaning a lower chance of brain movement that could result in a concussion.

  • Creates a buffer between upper and lower teeth: Prevents teeth from slamming into each other, which can cause additional shock to be absorbed by the skull.

  • Helps lower concussion risk during falls and collisions: Although not a guaranteed solution, a well-fitted sports mouthguard may significantly reduce concussion-related injuries.

A mouthguard might seem small and simple, but the protection it offers is huge. That said, not all mouthguards are the same. They come with different categories; drawing a comparison will make things simpler for you.

Custom vs. Generic mouth guards: What's best for you?

A boxer wearing a custom mouthguard

Choosing the right type of mouthguard makes a huge difference in comfort and protection. Here's how custom and generic options compare.

Custom-fitted mouthguards

Here's what custom-fitted mouthguards are all about:

  • Created using detailed molds of your teeth: Dentists take an impression that matches your bite perfectly, resulting in a mouthguard that feels natural.

  • Superior comfort and stability: Because it's tailor-made, it sits securely, stays in place, and doesn't feel bulky.

  • Allows easier breathing and speaking: Custom guards are slim and designed around your mouth's shape, no slipping, no struggle to talk.

  • Best for intense or professional play: High-impact athletes get enhanced protection from a durable, snug-fitting guard.

  • Dental Practice and well: Dental experts emphasize that custom mouthguards offer significantly better protection than off-the-shelf versions.

Caspersmile's mouthguards are custom-made. They are built for athletes who want both comfort and reliable protection, giving a secure feel that stays in place during intense training and competitive matches.

Want a custom-fit sports mouthguard

Protect your teeth with Caspersmile's performance-ready mouthguards, offering personalised protection.

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Generic or boil-and-bite guards

This is what generic or boil-and-bite guards offer:

  • Affordable and easy to find: These guards are available at sports stores and are an accessible option for beginners.

  • Can be molded at home: Softened in hot water, they allow for a semi-custom fit — though not as precise as a dentist-made version.

  • Bulkier fit compared to custom guards: This can sometimes interfere with breathing or speaking, especially during intense physical activity.

  • May loosen during heavy play: Because the fit isn't perfect, boil-and-bite guards can shift or require frequent adjustments.

  • Less durable and wear out quickly: They often need replacing more frequently due to thinner material and standard design.

Want to learn more? Here's a detailed discussion: Custom - Boil and Bite Mouth Guards.

By now, you'd know which mouthguard will suit you, but before making a final decision, let's talk about some of the myths that you hear from other people.

Myths about mouth guards and performance

Many athletes skip mouthguards because of myths that simply aren't true. Let's clear a few up.

Myth 1: Mouthguard affect breathing

So, does a mouthguard affect breathing? Yes, if it's low quality. A good mouthguard — especially a custom-fit one — does not affect your airflow. If anything, athletes often say they feel more comfortable and confident while wearing one.

Myth 2: They make talking difficult

Poorly fitted or cheap guards might. Custom guards let you communicate clearly without the bulkiness.

Myth 3: They impact performance

In reality, a protected athlete plays better. When you're not worried about injuries, you move more freely and confidently.

With the myths busted, let's see how to use a sports mouthguards.

When and how to use a mouth guard

Wearing a sports mouthguard only on match day is a common mistake. You should treat it like any other piece of protective equipment — part of your routine.

Situation

When to Use It

How to Use it Properly

During Sports or Physical Activity

Wear it during any high-impact or contact sport such as basketball, football, boxing, MMA, hockey, or even activities like skateboarding or cycling.

Ensure the guard fits snugly before starting the activity. Rinse it with clean water, position it over your upper teeth, and bite down gently to secure it.

At Night (Teeth Grinding or Clenching)

Use it every night if you suffer from bruxism, wake up with jaw pain, headaches, or notice worn-down teeth.

Clean the guard before bed, place it over your upper teeth, and check that it's fully seated. In the morning, rinse and store it in a ventilated case.

If You Have Braces or Orthodontic Appliances

Use a specially designed orthodontic mouth guard during sports or any activity where facial impact is possible.

Choose a guard compatible with braces, place it carefully to avoid wire irritation, and check the fit regularly as your teeth move.

After Dental Treatments (If Advised)

Use it if your dentist recommends protection following procedures like crowns, bonding, implants, or TMJ-related treatment.

Follow your dentist's instructions. Position the guard gently, avoid biting too hard, and clean it thoroughly after use.

For TMJ Pain Relief or Jaw Support

Use it at night or during the day (as directed) if you experience jaw clicking, popping, pain, or muscle tension.

Insert the guard so that it relaxes your jaw position. Avoid clenching while wearing it. Clean after each use and store properly.

Whether you're on the field, hitting the gym, grinding your teeth at night, or managing braces or jaw pain, the right mouthguard keeps you safe and comfortable. Using it consistently means fewer injuries, less stress on your jaw and neck, and a lot more confidence in whatever you do.

Protect your smile and stay in the game

A mouthguard is more than just sports gear; it's essential protection for anyone playing contact or high-intensity sports. From preventing chipped teeth to reducing jaw injuries and concussion risks, the right guard can make a real difference in your safety and performance. But not every sport, or athlete, needs the same type of protection, which is why getting proper guidance matters.

Curious to know if you need a mouth guard?

Book a quick e-consultation and get personalised advice based on your sport and playing style.

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Frequently asked questions

faqs
Mouthguards are recommended during contact sports because they protect against dental and facial injuries by absorbing and redistributing impact.
The main purpose of a mouthguard is to protect the mouth, teeth, gums, and jaw from injury by providing a protective barrier during activities like sports or from issues like teeth grinding at night.
The main purpose of a mouthguard is to protect the mouth, teeth, gums, and jaw from injury by providing a protective barrier during activities like sports or from issues like teeth grinding at night.
Sports guards protect against dental injuries, including chipped or knocked-out teeth, by absorbing and distributing the force of impact.
No, there is no conclusive evidence that mouthguards prevent concussions, but they are highly effective at preventing dental and orofacial injuries.
Steph Curry wears a mouthguard to prevent dental injuries, a habit he started after getting elbowed in the mouth during his junior year of college.

References

Professional, C. C. M. (2025f, August 18). Mouth guard. Cleveland Clinic.
https://my.clevelandclinic.org/health/treatments/10910-mouthguards

Higuera, V. (2019a, March 8). What type of mouthguard do I need? Healthline.
https://www.healthline.com/health/mouth-guard