How Long Can You Wear a Mouth Guard in a Day?

| Updated:
Reading Time: 7 min
0 Comment
An athlete holding a mouthguard in one hand and a clock in the other hand to represent the wear time of a mouth guard

Whether you are gearing up for game day, grinding through stressful nights, or just looking to protect that million-dollar smile, mouth guards are your unsung dental heroes. From athletes on the field to nighttime teeth grinders, these small but mighty devices play a big role in keeping your teeth, jaw, and gums safe from harm. But here is the big question, “How long can you actually wear a mouthguard in a day without running into trouble?”.

Understanding that daily use of mouth guards isn't just about comfort; it's about protecting your oral health for the long haul. While mouth guards are designed to shield your mouth from damage, overusing them or wearing them incorrectly can backfire, causing gum irritation, jaw fatigue, and making things worse instead of better.

So if you have ever found yourself wondering, "Is it okay to wear a mouth guard in a day for long hours?" or “What are the signs that I'm using it excessively?”, you are in the right place. In this blog, we’re going to discuss how long you should wear your mouthguard daily, the do’s and don’ts of usage, and expert-backed tips to keep your smile safe, sound, and stress-free.

What is a Mouthguard

A blue sports mouthguard and a transparent night guard
A sports mouth guard and a night guard

A mouth guard is a protective dental device made of plastic or silicone that covers the teeth and gums. Its primary role is to prevent injuries or damage from grinding, clenching, or impact. Think of it as your smile’s armor, except a lot softer and way more comfortable.

Types of Mouthguards

If you are thinking, “What are the types of mouth guards?” and “How many hours can you wear a mouth guard?”, we have explained all of this below.

Sports Mouth Guards

Athletes in intense contact sports like football, boxing, or hockey often use sports mouthguards. A sports mouthguard is a thick plastic or silicone tray that is used as a shock absorber. Many brands like ALIGNERCO offer custom-fit sports mouth guards that are delivered right to your doorstep. They are worn only during games or practices (1–4 hours typically) to protect teeth and the jaw from impact injuries.

Protect Your Gamer Face with ALIGNERCO Mouthguard!

Gear up with a custom-fit mouthguard that keeps your smile safe during every tackle, punch, and sprint.

Order today and play with confidence!

Night Guards

Night guards (or nocturnal bite plates) are worn while sleeping to prevent teeth grinding or bruxism and jaw clenching. Brands like ALIGNERCO offer night guards that are custom-molded for comfort and durability, offering a peaceful night's rest for both your mouth and your sleep partner. Safe duration for night guard wear is about 7–10 hours, which is your average sleep cycle.

Everyone Deserves Quality Sleep!

Experience comfort and relief with ALIGNERCO Custom Nightguard, designed to prevent grinding and protect your teeth all night long.

Order Now!

Daytime Dental Mouth Guards

These are similar to night guards but are designed for daytime use, usually for people with TMJ disorders or chronic teeth clenching during stressful hours. Compared to night guards, they are thinner and more subtle. Daytime dental mouthguards are often worn in short intervals throughout the day, not continuously.

Pros and Cons of Mouthguards

Pros Cons
Protects teeth from grinding, clenching, and injury Can cause discomfort if not custom-fitted
Reduces jaw tension and headaches Prolonged wear may lead to bacterial buildup
Prevents dental damage and costly procedures Overuse may cause jaw muscle fatigue or soreness

Factors Influencing the Wear Time of Mouthguards

When it comes to how long you should wear a mouth guard in a day, there is no one-size-fits-all answer. Several key factors come into play, and understanding them can help you make the most of your mouth guard while keeping your teeth and gums happy.

Your Specific Condition

Why you are wearing the mouth guard in the first place plays a big role. If you suffer from bruxism or TMJ disorder , you may be advised to wear it mostly at night. On the other hand, if you are an athlete, your mouth guard is likely used during training or games to protect your teeth from impact. Each case comes with its own wear-time guidelines.

Type and Quality of the Mouth Guard

Not all mouth guards are created equal. A custom-fit mouth guard, designed by your orthodontist, typically offers better comfort, durability, and protection compared to a generic store-bought one. Since they are made to fit your mouth perfectly, you can often wear them longer without discomfort. But even the best ones need proper care and time off during the day.

Comfort and Jaw Response

How your mouth and jaw feel while wearing the mouth guard is crucial. If you notice soreness, stiffness, or irritation, it could be a sign that you are wearing it for too long or need a better fit. Listening to your body is key when figuring out how long you should wear a mouth guard in a day.

Your Orthodontist’s Recommendation

Always consult your dentist. They can assess your individual needs and guide you on the ideal wear time, whether it’s a few hours a day, overnight, or only during certain activities. Their advice ensures you're using the device effectively and safely.

Mouth Guard Usage Time Limits

Now, let's answer the most commonly asked question, “Can you wear a mouth guard all day?” Technically, you can, but it’s generally not advised unless recommended by a professional. Is it safe to wear a dental guard during the day? It depends on your oral health needs. Using it too much without professional supervision can result in adverse effects.

Potential Risks of Overuse

If you are using a mouth guard more than necessary, it could do more harm than good. Given below are some of the potential risks of overuse:

  • Jaw muscle fatigue or soreness
  • Gum irritation or recession
  • Excessive plaque or bacteria buildup
  • Bite misalignment from prolonged pressure
  • Speech issues or excessive salivation

Tips for Safe and Effective Use

An image of a mouthguard with the tips around it telling how to use it.
Tips to use a mouthguard

To get the most out of your mouth guard and protect your smile for the long haul, it’s important to use it the right way. Whether you are wearing it for football, rugby, or wrestling, these practical tips will help ensure your mouth guard does its job without causing any harm.

Get a Custom Fit

Going for a custom-fit mouth guard is a total game-changer. Brands like ALIGNERCO offer high-quality, personalized guards that are molded to your unique bite. Not only are they more comfortable, but they also provide better protection and are far less likely to cause irritation or jaw discomfort.

Clean It Daily

After each use, give it a gentle scrub with a soft toothbrush and mild, non-abrasive soap. Avoid using hot water, as it can warp the shape. Make sure to store it in a ventilated case to prevent bacteria buildup and unpleasant odors.

Don’t Chew On It

Chewing can weaken the material, distort the fit, and reduce how well it protects your teeth. If you catch yourself doing this often, it might be time for a check-in with your dentist.

Replace It When Worn Out

If you start noticing thinning areas, cracks, or tears, it’s time for a replacement. A damaged mouth guard won’t offer proper protection and could even lead to injury or discomfort.

Give Your Mouth a Break

Unless your dentist specifically recommends extended wear due to a medical condition, try to give your mouth a break. Always follow professional guidance on how long to wear a mouth guard in a day to avoid unnecessary issues.

When to Consult an Orthodontist

If you’re unsure about how long to wear a mouth guard in a day or notice anything unusual while using one, it’s a good idea to reach out to your dentist or orthodontist for expert advice. The following are some of the conditions:

  • Persistent Jaw Pain or Stiffness
  • Frequent Headaches
  • Poor Fit or General Discomfort
  • Changes in Your Bite or Tooth Alignment

Mouth guards may be small, but their impact on your oral health is massive. Whether you are dodging tackles on the field, grinding through stress at night, or dealing with jaw issues like TMJ, these protective devices, like those offered by ALIGNERCO, are essential for keeping your teeth, jaw, and gums safe. But as with anything health-related, balance is key.

So, how long should you wear a mouth guard in a day? The answer really depends on your specific needs. For athletes, it might just be a couple of hours during practice or games. For nighttime grinders, 7–10 hours while sleeping is typically safe. For those with medical conditions requiring daytime use, shorter, dentist-guided intervals are best. The golden rule: don’t overdo it, and always listen to your mouth (and your orthodontist).

By choosing the right type of guard, keeping it clean, and following expert tips, you can enjoy all the benefits without any of the risks. And when in doubt, never hesitate to consult your orthodontist.

Got More Queries?

We are here to answer all of them. Call us at (877) 271-7417

FAQs

1. Is it okay to wear a mouthguard all day?

The answer is yes, but with a few important considerations. Wearing a mouth guard during the day can offer several advantages, like reducing stress-related clenching, safeguarding dental restorations, and easing symptoms of TMJ disorders. That said, it’s not without its downsides. You might experience challenges like difficulty speaking clearly, some level of discomfort, and concerns about how it looks.

2. What is the difference between a dental guard and a mouth guard?

A dental guard is used to protect your teeth from grinding and clenching, while a mouthguard protects your mouth from injury during a high-impact sport.

3. How many teeth should a mouthguard cover?

A well-fitted mouthguard should cover all your teeth and part of your gums, providing full protection, without feeling bulky or like it’s taking over your entire mouth.

Citations:

Professional, C. C. M. (2025c, March 19). Mouth guard. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/10910-mouthguards

Mouth Guards - Everything you need to know | Colgate® PH. (n.d.). https://www.colgate.com/en-ph/oral-health/selecting-dental-products/mouth-guards-everything-you-need-to-know

Regresar al blog
  • James Wilson

    James Wilson

    Content Contributor

    James Wilson es un escritor de temas de salud y bienestar con una licenciatura en Comunicaciones de la Universidad de Boston, especializado...

    Read More
  • Authored by
  • Dr. Derek Weigand, DMD

    Dr. Derek Weigand, DMD

    Medical Reviewer

    Dr. Derek Weigand is a forward-thinking general dentist and teledentistry expert with over a decade of experience in clinical dentistry, digital workflows, and virtual care...

    Read More
  • Reviewed By