Grinding your teeth at night? Many people unknowingly grind their teeth. This condition—called bruxism—is more prevalent than most realize. Stress, caffeine, or even sleep disorders can trigger it. The signs? Waking up with a sore jaw, headaches, or noticing your teeth feel extra sensitive.
Over time, teeth grinding can lead to cracked enamel, worn-down teeth, and jaw pain. As a dentist, I daily recommend the best mouth guards for patients dealing with everything from mild clenching to severe bruxism. These guards are affordable, cushion the teeth, and help ease jaw tension.
Moreover, they act as a protective barrier between your upper and lower teeth and significantly reduce the pressure that leads to tooth damage. Out of four top-selling mouth guards, I ranked the Elsophie mouth guard for teeth grinding no. 1 based on both my experience and user feedback—echoed by dentists and customers across the board.
Our Top Picks
Elsophie Mouth Guard: Best Overall (Shop Now) →
Ohaleep Mouth Guard: Runner-Up (Shop Now) →
Plackers Mouth Guard: Best Long-Established Mouth Guard (Shop Now) →
Reazeal Mouth Guard: Best Value (Shop Now) →
Disclosure: This post is sponsored through Amazon Creator Connections, and I may earn compensation at no extra cost to you.
4 Best Mouth Guards for Teeth Grinding of 2026
Elsophie Mouth Guard for Teeth Grinding
Best Overall
The long-term effects of teeth grinding aren’t just annoying—they’re damaging. Decayed teeth, fractures, loose teeth, and even jaw-related issues can result from nightly grinding. Over time, it may even change the shape of your face.
Of course, it’s easy to guess the most important criterion for a mouth guard: comfort. And that’s the reason the Elsophie mouth guard for teeth grinding has a 4.9-star rating (the highest rating of any long-standing mouth guard on Amazon). Price-wise, you’ll get four guards (two sizes) in one pack for under $25. Once you’ve shaped it to your bite, it feels snug without being stiff.
Why Dentists Trust It
- ✔ Voted #1 by ExACT Dental
- ✔ High 4.9-star rating
- ✔ Food-grade EVA material
- ✔ Designed for night clenching
- ✔ Boil-and-bite fit (15 sec)
- ✔ Four guards per pack
Noteworthy
- ~ Two sizes in one box (Men & Women)
- ~ Includes 20 cleaning tablets
Ohaleep Mouth Guard for Teeth Grinding
Runner-Up
The Ohaleep mouth guard for teeth grinding gets snapped up faster than (sugar-free) candy in a dentist’s office. It has a 4.8-star rating (as of this writing) and over 8,100 reviews. At $19.99 for a 4-pack, it stands out for its consistently high star rating.
When you compare it to the best overall, it offers something extra… a blue carrying case. Of course, the Elsophie (best overall) is better known and has a trusted reputation in the oral care space, but this generic guard is popular. Ultimately, if you want mouth guards that last three to four months—and often go on sale (sometimes as low as $9.99)—these guards offer comfort and quality, backed by a 4.9-star rating.
Why Dentists Trust It
- ✔ 4.8-star rating—over 8,100 reviews
- ✔ Amazon’s Choice Award
- ✔ Molds to your teeth in under 30 seconds
- ✔ Comfortable for nighttime use
- ✔ Includes a hygienic blue case for storage
Noteworthy
- ~ Budget mouth guard for teeth grinding
- ~ Includes blue travel case
~ Sells faster than (sugar-free) candy in a dentist’s office
Plackers Mouth Guard for Teeth Grinding
Best Long-Established Mouth Guard
For more than ten years, the Plackers mouth guard for teeth grinding was at the top of my list—and many people still prefer this mouth guard to the best overall. In fact, over 20,000 people have bought it this month already—and it’s only the 11th.
For over 40 years, this brand has been a go-to for oral care, and it’s no surprise it’s ranked #1 in the Anti-Grinding Teeth Protectors category. It currently has a 4.1-star rating from 16,202 reviews, which means approximately 10,000 people rated it 5 stars. What makes it so popular? The brand has perfected the art of the night guard. You don’t need to boil, microwave, cut, or mold it. Each guard naturally molds to the shape of your mouth, offering a snug fit without any prep. Its disposable design makes it easy to replace and ensures optimal hygiene. So, whether you’re battling mild clenching or heavy grinding, this best-selling guard remains one of the most trusted brands I recommend. It’s designed for anyone 18 years or older who’s tired of the damage—and discomfort—of grinding teeth.
Why Dentists Trust It
- ✔ Over 20,000 boxes sold this month
- ✔ Trusted brand with over 40 years of expertise
- ✔ 10,000+ people gave it a 5-star rating
- ✔ Ultra comfortable, even for smaller mouths
- ✔ Perfect for mild clenching or heavy grinding relief
- ✔ One box gives up to 48 nights of protection
Noteworthy
- ~ 16 mouth guards with up to 48 uses
Reazeal Mouth Guard for Teeth Grinding
Best Value
Some patients prefer mouth guards that come with cleaning tablets—and those that can even be repurposed as a whitening tray. That said, the Reazeal mouth guard for teeth grinding is marketed as a 3-in-1 guard: it cushions teeth from nighttime grinding, can be used as a tray for whitening gel, and offers minimal protection for low-impact sports. Price-wise, it comes in a 4-pack for just $15.97. Unlike the best overall, which molds in a few seconds, this mouth guard requires a 10-minute molding process. More importantly, the mouth guard feels soft once molded and holds up for both light and heavy grinders. As a bonus, it comes with a retainer case to keep things clean and hygienic.
Essentially, the best overall is all about convenience. You grab it, shape it in seconds, and you’re good to go. In short, if you want a highly rated mouth guard, the Elsophie is highly rated at 4.9 stars. But if you’re looking for a moldable mouth guard that can also be used as a whitening tray and for low-impact sports, this brand offers great value at an affordable price.
Why Dentists Trust It
- ✔ Over 10,000 sold this month
- ✔ 15,326+ people gave it a 5-star rating
- ✔ #4 in the Anti-Grinding Teeth Protectors category
- ✔ Guard molds to your teeth in just ten minutes
- ✔ Soft material makes it comfortable for all-night wear
- ✔ Comes with a storage case to keep it clean
Noteworthy
- ~ 3-in-1 use: teeth grinding, whitening tray, and light sports protection
How to Choose a Mouth Guard for Teeth Grinding and Jaw Relief
10 Benefits of Using a Mouth Guard for Teeth Grinding:
- A mouth guard protects your teeth from the chips, cracks, and enamel wear caused by grinding.
- It reduces jaw pain by cushioning the pressure on your muscles and joints.
- Wearing one can ease headaches that often come from clenching at night.
- It helps you sleep better by minimizing the discomfort that grinding creates.
- A guard prevents tooth sensitivity by keeping the enamel intact and nerves protected.
- It lowers the risk of expensive dental work by stopping the damage before it starts.
- Using one protects your gums from irritation and recession linked to grinding pressure.
- It keeps crowns, implants, and veneers safe from unnecessary wear.
- A mouth guard quiets the sound of grinding, which can disturb both you and your partner.
- Over time, it supports better oral health by preserving your bite, alignment, and natural teeth.
Need a Mouth Guard for Teeth Grinding Now? Not Every Dental Issue Calls for a Big Investment.
Popular, over-the-counter (OTC) mouth guards cost between $10 and $50, while custom guards from a dentist can run anywhere from $200 to $800 or more. While not as precise as a custom guard, an OTC option is a smart starting point if you’re on a budget or not quite ready to invest in something pricier.
Custom guards require an office visit, impressions, and waiting time, but an OTC guard? OTC mouth guards are ready when you are—no appointments, no waiting. It’s a low-commitment way to protect your teeth while you figure out if you even need something more advanced. Likewise, OTC mouth guards are a solid option if you’re looking for a temporary solution. Stress levels fluctuate, and so does grinding. OTC options are accessible, affordable, and can give you relief in the meantime.
5 Things I Look For in a Quality Mouth Guard for Teeth Grinding
As a dentist who worked in both public and private practices and taught at a university for years, I’ve seen firsthand how debilitating bruxism (teeth grinding) can be for patients. From a patient in their 20s dealing with fractured molars to a retiree who wore down their enamel to the point of needing crowns, the long-term effects are as varied as they are concerning. This is where choosing the right mouth guard for teeth grinding becomes critical.
1. Comfortable Fit
A mouth guard should feel like it belongs in your mouth. Patients often abandon uncomfortable guards, worsening their grinding issues. The Elsophie Mouth Guard for teeth grinding excels here with its no-boil, pre-shaped design that molds naturally. It’s perfect for patients who prioritize ease of use and comfort. I once had a patient, Sarah, a teacher in her 30s, who lost her custom guard just before she needed to leave for a trip. Fortunately, we were able to order her an OTC guard for the two days she was away.
2. Quality Material
Grinding exerts immense pressure on your teeth, so the guard needs to withstand wear and tear. Soft yet durable materials strike the perfect balance—soft for comfort, yet tough enough to prevent grinding damage. The Elsophie Mouth Guard for teeth grinding, for example, uses moldable material that’s soft yet robust enough for heavy grinders.
3. Hygiene-Friendly Design
Mouth guards are in close contact with your teeth for hours, so hygiene is essential. Disposable options like Elsophie Mouth Guard for teeth grinding offer optimal cleanliness with single-use guards, while reusable guards, like Reazeal, should come with a storage case to keep them clean.
4. Easy to Use
Not everyone has the patience for boiling, cutting, or molding a guard. For patients who want quick solutions, the Elsophie Mouth Guard for teeth grinding is ideal. It’s pre-formed, disposable, and requires no preparation. On the other hand, for those who want a more tailored fit, Reazeal’s 10-minute molding process is straightforward and worth the effort.
5. Moldable Fit
Customization ensures a more precise fit, especially for people with unique dental structures. I remember a patient, Tom, who had braces and needed a guard that fit perfectly. A moldable guard like Reazeal offered him the flexibility he needed while protecting his teeth from grinding forces.
Mouth Guard for Teeth Grinding FAQs
What is the best mouth guard for bruxism?
You want something that actually protects your teeth but doesn’t make it hard to sleep. That’s why the Elsophie Mouth Guard for teeth grinding is so popular—it molds quickly to your bite, stays in place all night, and has more than 14,000 five-star reviews. For most people with bruxism, that combination makes it the best overall choice without spending hundreds at the dentist.
What is the best over-the-counter mouth guard?
The best OTC guard should be easy to fit, long-lasting, and not feel bulky in your mouth. The Elsophie Mouth Guard for teeth grinding checks those boxes—it takes about 30 seconds to mold, comes in multiple sizes, and you get four in a pack for under $20. That’s rare for something that dentists themselves actually recommend.
What is the best OTC mouth guard for teeth grinding?
For grinding, you need one designed to handle constant pressure. Sports mouth guards won’t do the trick—they’re made for impact, not grinding. A product like the Elsophie Mouth Guard for teeth grinding is built specifically for bruxism. Users report waking up without headaches or jaw pain, which is the real measure of whether it’s working.
Can I wear a mouth guard all night?
Yes—you should. Mouth guards for grinding are designed to be worn overnight. The right one won’t feel uncomfortable or fall out while you sleep. The Elsophie Mouth Guard for teeth grinding is especially good here because it’s snug but soft enough to keep in all night without that bulky feeling.
How long does a mouth guard for bruxism last?
It depends on how severe your grinding is. Heavy grinders may go through one every 2-3 months, while lighter cases can stretch them longer. That’s why having a set of four, like the Elsophie Mouth Guard for teeth grinding, is so practical. You’re not stuck rushing to reorder in the middle of the night when one finally wears down.
How much does a dentist-made mouth guard cost?
A dentist-made guard usually costs between $300 and $600. The upside is it’s custom-fit to your mouth. The downside is the price, especially since even those can wear down over time. That’s why many people try something like the Elsophie Mouth Guard for teeth grinding first—it’s less than $20, and if it solves the problem, you’ve just saved hundreds.
Can a mouth guard help with TMJ pain?
Yes, in many cases. Grinding and clenching put constant stress on your jaw, which can worsen TMJ. A mouth guard creates a buffer between your teeth and reduces pressure on your jaw joint. Many users of the Elsophie Mouth Guard for teeth grinding mention they wake up with less jaw pain and stiffness, which shows it’s doing its job.
How do I clean a mouth guard for teeth grinding?
The easiest way is rinsing it with cool water after each use and brushing it lightly with your toothbrush (no toothpaste—it’s too abrasive). Once in a while, you can soak it in a denture-cleaning tablet or mild mouthwash. The Elsophie Mouth Guard for teeth grinding even comes with 12 cleaning tablets, which makes it easier to keep it clean between uses.