Is custom night guards for teeth grinding profitable to sell on Amazon United States?

The niche generates $202K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Skip it (47/100).

How competitive is the custom night guards for teeth grinding niche?

5 brands and 58 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in custom night guards for teeth grinding?

Top complaints mined from reviews: Size-Overall, Comfort-Overall, Functionality-Overall. The return rate is 1.8%.

When does demand for custom night guards for teeth grinding peak?

Demand peaks in Mar; the busiest month runs 3.1× the quietest.

What does it cost to enter the custom night guards for teeth grinding niche?

Listings span $14.96–$25.70; the average listing price is $20.62 (sweet spot $15–$100). The average incumbent carries 12,685 reviews — the moat a new listing must climb.

custom night guards for teeth grinding

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Quality gap

Incredible3.7★

avg incumbent rating — lower means beatable quality

Price range

Incredible$14.96–$25.70

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$20.62

avg listing price — sweet spot $15–$100

Conversion

Great10.0%

search→purchase rate — share of searches ending in a sale

Returns

Great1.8%

return rate — above 5% kills the launch gate

Market size

Okay$202K

$202K/yr · 98K searches

Growth

Bad-10.3%

90-day search growth — must beat 0% to launch

Review moat

Bad12,684.89

avg incumbent reviews — the moat a new listing must climb

Competition

Bad87%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Quality Gap

According to Flapen's Amazon United States niche tracking, custom night guards for teeth grinding is a $202K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar. Verdict: Skip it — 47/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

custom night guards for teeth grinding market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: $165K–$206K; units × avg price
Conversion rate: 10.0%
Avg BSR: #23
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 8.3%
Avg brand age: 63 months
Avg seller age: 157 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

SleepRight55%
DenTek31%
Plackers7%
ORTHO NU4%
SmartGuard3%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 3.1×

Open Trend

Top custom night guards for teeth grinding search terms

sleep right mouth guard16K/yr +17.6%10.4% conv.
inner cheek bite protector9K/yr -3.3%0.7% conv.
sleepright dental guard10K/yr +1.7%9.5% conv.
dentek comfort fit dental guard10K/yr -30.3%14.4% conv.
cheek bite guard6K/yr +14.6%1.6% conv.
sleep right6K/yr -16.5%3.7% conv.
aqualizer6K/yr -9.0%0.8% conv.
aqualizer oral splint5K/yr -5.8%2.0% conv.
inside mouth cheek protector6K/yr +17.5%1.1% conv.
sleep right dental guards13K/yr -70.1%6.1% conv.

All search terms

Top custom night guards for teeth grinding products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SleepRight Select-Comfort Night Guard Dental Mouth Guard for Sleeping Prevents Teeth Grinding & Clenching Bruxism Protection (New Version)

SleepRight$19.103.7★2,036 rev

DenTek Comfort-Fit Dental Guard Mouth Guard for Grinding Teeth at Night Pack of 2 Guards & 1 Storage Case

DenTek$25.703.9★9,356 rev

SleepRight ProRx Custom Dental Guard Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding Comfortable Dental Guard for Sleeping Custom Fit Teeth Grinding Protection

SleepRight$18.214.0★189 rev

DenTek Professional-Fit Dental Guard Mouth Guard for Grinding Teeth at Night 1 Count

DenTek$15.483.9★23,418 rev

DenTek Ultimate Dental Guard Slim-Fit Mouth Guard for Grinding Teeth at Night FDA Cleared Night Guard 1 Count

DenTek$24.513.4★7,793 rev

Newest

by launch date

Ortho Nu Mouth Aid Oral Relief Patches Protect and Sooth for Oral Irritation Adhesive Comfort Patch for Gums and Inner Cheek 2+ Hours Protection

ORTHO NU$24.725 rev

4mo ago

SleepRight ProRx Custom Dental Guard Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding Comfortable Dental Guard for Sleeping Custom Fit Teeth Grinding Protection

SleepRight$18.21189 rev

4y ago

SleepRight Select-Comfort Night Guard Dental Mouth Guard for Sleeping Prevents Teeth Grinding & Clenching Bruxism Protection (New Version)

SleepRight$19.102,036 rev

4y ago

Plackers Grind No More Night Guard Nighttime Protection for Teeth BPA Free Sleep Well Ready to Wear Disposable One Size Fits All 16 Count

Plackers$19.6534,109 rev

7y ago

DenTek Ultimate Dental Guard Slim-Fit Mouth Guard for Grinding Teeth at Night FDA Cleared Night Guard 1 Count

DenTek$24.517,793 rev

7y ago

What buyers say about custom night guards for teeth grinding

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall15%

“They are extremely comfortable”

Size-Overall11%

“Easy to fit”

Quality-Overall10%

“Excellent Product”

Ease Of Use9%

“The process is easy”

Value For Money8%

“Worth it”

Tooth Sensitivity5%

“It really helps protect my teeth”

Instructions/User Manual/Troubleshooting4%

“Easy to follow instructions”

Efficiency3%

“this one is simple and effective”

Durability3%

“Durable”

Advertised Vs Actual Product3%

“As advertised”

What buyers complain about

Size-Overall24%

“Not a snug fit”

Comfort-Overall9%

“Not comfortable to wear”

Functionality-Overall8%

“Did not work”

Durability7%

“Bad durability”

Value For Money7%

“Price increase”

Quality-Overall5%

“the build quality is very poor”

Thickness4%

“Very thick and bulky”

Ease Of Use3%

“Not easy”

Hard Feel2%

“very hard”

Instructions/User Manual/Troubleshooting2%

“The instructions are unclear”

Top return reasons

Size-Overall42%

Functionality-Overall13%

Comfort-Overall10%

Advertised Vs Actual Product9%

Product Condition4%

Defective Material/Parts4%

Material Quality3%

Shape/Style2%

Value For Money1%

Quality-Overall1%

Common questions

Is custom night guards for teeth grinding profitable to sell on Amazon United States?: The niche generates $202K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Skip it (47/100).
How competitive is the custom night guards for teeth grinding niche?: 5 brands and 58 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in custom night guards for teeth grinding?: Top complaints mined from reviews: Size-Overall, Comfort-Overall, Functionality-Overall. The return rate is 1.8%.
When does demand for custom night guards for teeth grinding peak?: Demand peaks in Mar; the busiest month runs 3.1× the quietest.
What does it cost to enter the custom night guards for teeth grinding niche?: Listings span $14.96–$25.70; the average listing price is $20.62 (sweet spot $15–$100). The average incumbent carries 12,685 reviews — the moat a new listing must climb.