Top 10 Best teeth whitening mouth guard in 2026

Last Updated - 6/7/2026

🏆Best Choice

DenTek

DenTek Mouth Guard for Nighttime Teeth Grinding, Professional-Fit Dental Guard, 1 Count

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•DenTek Professional-Fit Dental Guard fits the front and back teeth and offers custom-fit protection similar to a professionally made mouth guard
•BPA free and quickly customizable in 3 easy steps (read all instructions and watch the full video before fitting)
•Helps to prevent conditions caused by teeth grinding (bruxism) in three simple steps: heat, shape, and wear
•DenTek is the #1 OTC dental guard brand for nighttime teeth grinding; Source IRI Data Total Units Sold L52W Ending 02.23.25 Multi-Outlet + Convenience Stores
•Contains 1 box, DenTek Professional-Fit Dental Guard, 1 count, 1 patented fitting tray and 1 antimicrobial storage case

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$16.01

$24.99

-36%

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iSmile Whitening

iSmile Teeth Whitening Kit - LED Light, 35% Carbamide Peroxide, (3) 3ml Gel Syringes, (1) Remineralization Gel, and Tray.

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•3x faster than strips|Zero sensitivity gel|Safe for enamel|Includes (3) whitening gel syringes containing 35% carbamide peroxide and a total of 22 whitening treatments. |Universal Fit (no molding)|Medical Grade Silicone|Easy Breathe Vents|(1) LED Activation Light (batteries included)|(3) 3ML Whitening Gel Syringes (mint flavored)|(1) Desensitizing Mineral Gel|(1) Universal Mouth Tray|(1) Detailed Instructional Manual| STEP 1 Remove the cap from the whitening gel syringe and fill the inner front surface of the mouth tray on both the top and bottom with 0.3 - 0.5 ML or less of gel. STEP 2 Insert the light with tray into your mouth and over your teeth. Place the tray firmly against your front teeth. STEP 3 Press the power button to turn on the light and begin whitening your teeth for 10 minutes. STEP 4 Remove the mouth tray and rinse your mouth with warm water. |We have absolute confidence in providing the best at home teeth whitening and oral hygiene products. That's why have a 100% Results or Money Back Guarantee.

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$20.99

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THINKPRICE

30-Pack Dental Cheek Retractor, Professional Autoclavable Mouth Opener Retractors, 100% BPA-Free, for Dentist, Teeth Whitening, Party, Mouthguard Challenge Game - Size M, Clear

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•30 Pack Mouth Openers, Medical Grade Material, 100% BPA-Free, Transparent, C-Shape, Medium Size, Fit For Adults. Can be autoclaved up to 135 degree Celsius
•Easy to use and keep the mouth open and hands available for oral inspection and treatment.
•It works great for home teeth care, teeth whitening salons, Dental Office, Examination of Oral, teeth, tongue, pharynx, Tonsil Stones and so on, doesn't stretch lips and you will not feel uncomfortable.
•Durable, Recyclable and flexible enough without being out of shape or breaking even after twisting bending, pulling and folding.
•Lip Opener: Party Tools for Mouthguard Challenge Game, Speak Out Game, Watch Ya Mouth Game. 30 Pack, enough for a great family game. Help you save money.

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$12.99

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EZGO

EZGO 20 Pieces (Size M) C-Shape Teeth Whitening Cheek Retractor, Disposable Dental Mouth Opener, Dental Lip Cheek Retractor for Mouthguard Challenge Game

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Clear Color, C-Shape, Medium Size, Fit For Adults
•Easy to Keep the mouth open and hands available for oral inspection and treatment
•It works great for home teeth care, doesn't stretch lips and you will not feel uncomfortable
•Recyclable: Made from tough, eco-friendly, durable plastic to last long, helps give you an unobstructed view of the oral cavity, it’s ideal for extended use in dental offices and teeth whitening salons
•Our EZGO transparent cheek retractor (mouth opener, lip retractor) can be used as a fun gift or game - watch your friends smile and laugh

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$11.99

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feisina

Mouth Guard for Grinding Teeth at Night,8 Pack Night Guards for Teeth Grinding,2 Size Mouth Guard for Sleeping,Reusable Mouth Guards for Clenching Teeth at Night

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Professional Custom Design: Our mouth guard for grinding teeth at night is designed by a team of professionals and come in two different sizes. Whether you are a child, teenager or adult, night guards for teeth grinding fits closely in different mouth sizes.
•Multi-Purpose Mouth Guard : Mouth guard for grinding teeth at night is all-in-one and can be used for teeth grinding, sports mouth guard, and teeth whitening.Mouth guard for clenching teeth at night can protect your teeth.
•Comprehensive Grinding Protection: Our 8 pack 2 size mouth guard for clenching teeth at night provide you and your family with a quality sleep environment that protects your teeth. Dental guard fits snugly and does not move easily.
•Safe & Comfortable: Night guards for teeth grinding is made of long-lasting, comfortable and safe materials for safe and reliable use and long-lasting wear.Mouth guard for sleeping is easy to shape and comfortable to wear.
•Reusable: Teeth grinding mouth guard for sleep is easy to clean and reusable.You don't need to spend lots of money and time at the dentist to get a high-quality mouth guard for sleeping.

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$9.99

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Whiter Smile Labs

Whiter Smile Labs Teeth Whitening Trays - BPA Free - Thin Moldable Mouth Trays Form Perfectly to Each Tooth (4 Trays)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Whiter Smile Labs - 4 DIY Thin Teeth Whitening Trays and Case. 4 Mouth Trays Included
•Comfortable, Custom Fit Upper and Lower Teeth / Tooth Bleaching Gel Trays for Whitening Your Teeth at Home.
•BPA Free thermoform teeth trays are not too thin and not too thick.

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$9.99

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Impressive Smile

Impressive Smile Dental Cheek Retractor Mouth Opener for Teeth Whitening Clear Blue C-Shape (Size S, M, L Pack of 3)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•THE HIGHEST QUALITY CHEEK RETRACTORS: Our cheek retractors manufactured in FDA registered facility under strict guidelines. Don’t gamble with other mouth openers! Buy the best right now! Cheek and Lip Retractors from IMPRESSIVE SMILE are built to last.
•EXCEPTIONALLY DURABLE: Each retractor is made of high quality Non-Toxic Recyclable Plastic. Cycle tested to ensure longevity. Stronger than other lip retractors on the market!
•MULTIPURPOSE: Widen mouth to provide a clear panoramic view of the oral cavity. These cheek retractors are excellent for dental procedures, teeth cleaning and at-home teeth whitening. Our cheek retractors can be autoclaved at up to 130 degree Celsius.
•IMPRESSIVE SMILE Retractors are very comfortable and super-easy to insert. Our retractors are ideal for such games like "Watch Ya Mouth", "Speak Out" and "Mouth Guard Challenge"--Games NOT INCLUDED--.
•PACKAGE: You will receive 3pcs/set of Small, Medium and Large cheek retractors. One of each size.

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$4.95

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Angzhili

Angzhili 3 Pcs Silicone Mouth Opener, Dental Cheek Retractor for Teeth Whitening,Reusable Intraoral Lip Retractor (Multi-Colored)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Silicone Material : Soft and flexible, comfortable to wear
•Tongue Guard : Can keep the tongue out of the dental treatment environment, protects the tongue and provide a better view for the dentist to operate.
•Lip Care : Effectively opens the patient's mouth, users can easily expose their teeth without discomfort to the lips.
•Reusable : Wash with hot water, can be used repeatedly.
•Independent packaging, One size and unisex

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$8.99

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Plus White

Plus White Premier Whitening System - 5 Minute Speed Whitening Gel, Comfort Fit Mouth Tray & StainGuard Post - Dentist Approved & Professional Grade (2 oz Tube, Mouth Tray and 4 oz Post Rinse)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[ 📢 Safe to Use if Gel is Liquid – Read for Solution ] – Plus White’s Whitening Gel is still effective even if it arrives liquified. The gel’s consistency changes if the product is too hot or too cold. To return your Plus White Gel to its expected thickness, please let it sit at room temp. for 24-48 hours. We recommend keeping it in the bedroom rather than the bathroom as humidity may delay this process. If you continue to have issues please message us, as your satisfaction is our priority
•[⭐ Made in the USA ] - All Plus White products are proudly made in America
•[ Starts Working in 5 Minutes ] - Plus White's Whitening System gets to work in the first 5 minutes of application. Our 5 Minute Speed Whitening Gel uses the same high quality and impressive ingredient dentists use for professional whitening. Using our ComfortFit Mouth Tray for comfortable and easy full coverage, Plus White is a rapid, effective, and non-abrasive at home tooth whitening system. We guarantee that our whitening gel will take your smile from dull to dazzling in just minutes
•[ Comes with Application Tray for Easy Use ] - Plus White's 5 Minute Speed Whitening Gel is a simple and convenient at home method with proven bleaching power to whiten and brighten teeth in just 5 minutes. Simply squeeze a small, continuous line into the Comfort Fit Mouth Tray which covers both bottom and top teeth, for even and complete coverage whitening. Say goodbye to frustrating whitening strips and hello to the easiest whitening system and hello to easy results
•[ Quick, Effective & Professional Whitening at Home ] - Enjoy a dramatically whiter and brighter smile with Plus White's full Whitening System. Our 5 Minute Speed Whitening Gel is non-abrasive and enamel friendly, using the same gentle yet powerful ingredient utilized by dentists. Plus White quickly erases yellow teeth and stains from coffee, wine, smoking and more, and our StainGuard Rinse keeps you protected. With Plus White, you can enjoy a brilliant white smile for half the cost
•[ StainGuard Post Rinse ] - Your favorite foods and drinks may be the culprit of tinted and stained teeth. To keep your teeth pearly white after using our 5 Minute Speed Whitening Gel and Comfort Fit Mouth Tray, this system includes our StainGuard Post Rinse which locks in whiteness and help delay stains from re-appearing on your teeth. This Whitening System will help you easily and quickly achieve and maintain maximum whitening results, all from the comfort of your own home
•[ How to Use ] - Apply thin continuous line of gel onto Comfort Fit Mouth Tray and follow the directions on box. After allotted time, rinse mouth out with water to remove remaining gel. Followby swishing a cap full of Plus White's StainGuard Post Rinse. Recommended usage: twice daily for 2 weeks, then 1-2x a week for continued maintenance. One, 2 oz needle nose tube, one, application tray and one, 4 oz StainGuard Post Rinse

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$9.98

$15.29

-35%

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Plus White

Plus White Whitening Kit - 5 Minute Speed Whitening Gel & Comfort Fit Mouth Tray - Professional Teeth Whitening Kit w/Dentist Approved Ingredient for Tooth Whitening (2 oz)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•[ 📢 Safe to Use if Gel is Liquid – Read for Solution ] – Plus White’s Whitening Gel is is just as effective, even if liquified. The gel’s consistency changes if the product is too hot/too cold. To return your Plus White Gel to its expected thickness, please let it sit at room temp. for 24-48 hours. We recommend storing in a bedroom rather than the bathroom as humidity may delay this process. If you continue to have issues please message us, as your satisfaction is our priority
•[ Starts Working in 5 Minutes ] - Fast results, that work in the first 5 minutes of application. Our gel uses the same high quality ingredients dentists use with professional whitening to immediately diminish tough, set-in stains. With various methods of application, Plus White is a rapid, effective, and non-abrasive at home tooth whitening system.
•[ Easy to Use w/ Comfort Fit Mouth Tray ] - This kit includes the gel & application tray as a convenient at-home method with proven bleaching power to whiten and brighten teeth in 5 minutes. Simply squeeze a small, continuous line onto your tray and then follow the directions listed on the box. With our needle nose tube for precise application and quick results, you can finally say goodbye to frustrating whitening strips and mouth pieces
•[ Professional Whitening at Home ] - Plus White's 5 Minute Whitening Gel is an unflavored and simple at home whitening method that applies the same powerful ingredient used and recommended by dentists. Enjoy professional maximum whitening at half the cost! With 3 different application methods, Plus White is the most versatile, economical and effective whitening system on the market today.
•[ Quick, Effective & Gentle on Teeth ] - Enjoy a dramatically whiter and brighter smile in just 5 minutes with our whitening gel. It is gentle and enamel friendly, using hydrogen peroxide and other same ingredients used by professional dentists. This gentle, yet, powerful whitening gel erases yellow teeth and set-in stains from coffee, wine, smoking and more.
•[⭐ Made in the USA ] - All Plus White products are proudly made in America
•[ How to Use ] - Apply thin continuous line of Gel onto mouth tray. Allow 5 minutes for bleaching agents to kick in and follow the directions based on your choice of application method (located on box). After desired time, rinse mouth out to remove remaining gel. Follow with Plus White StainGuard Rinse and Toothpaste for extended whitening protection. Recommended usage: twice daily for 2 weeks, then 1-2x a week for continued maintenance. One 2 oz needle nose tube.

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$13.99

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