---
title: "Mouth Guard for Teeth Grinding — £807K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/mouth-guard-for-teeth-grinding"
last_updated: "2026-07-31T07:24:16.733Z"
locale: en
meta:
description: "Niche score 60/100 · £807K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · £807K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mouth Guard for Teeth Grinding — £807K/yr Amazon UK Niche (2026) - Flapen"
---
# **mouth guard for teeth grinding**
**Worth a look**
Shows beatable incumbent ratings (3.8★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 73Growth 14Conversion 89Competition 36Returns 96Price range 61Avg price 53Brand share 59Review moat 42Quality gap 97
**Quality gap**
**Incredible****3.8★**
avg incumbent rating — lower means beatable quality
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****£807K**
£807K/yr · 616K searches
**Price range**
**Good****£7.49–£26.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Good****£12.38**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,339.89**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-21.9%**
90-day search growth — must beat 0% to launch
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, mouth guard for teeth grinding is a £807K/yr Amazon United Kingdom market (616K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mouth guard for teeth grinding market data**
- **Units sold / yr**
- **50K–60K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **£619K–£743K**
- units × avg price
- **Conversion rate**
- **10.6%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▲rising
**Sellers**
**29**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**25%**
- Reazeal23% - TheSleepGuard20% - Psecici12% - Opro8% - HONEYBULL7% - Huzayl home store5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.9% search growth over the last 90 days.
15K10KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/mouth-guard-for-teeth-grinding/trend)
## **Top mouth guard for teeth grinding search terms**
- **mouth guard for teeth grinding**209K/yr-20.1%10.0% conv. - **mouth guard for sleeping**45K/yr-25.0%6.7% conv. - **night guard teeth grinding adult**41K/yr-21.1%9.3% conv. - **teeth grinding night guard for adults**31K/yr-3.3%9.8% conv. - **gum shield for grinding teeth**31K/yr-15.7%11.2% conv. - **night guard**27K/yr-16.1%7.1% conv. - **mouthguard for teeth grinding**25K/yr-20.5%10.7% conv. - **sleep mouth guard**20K/yr-21.2%7.8% conv. - **teeth grinding guard**39K/yr-52.1%6.5% conv. - **bruxism mouth guard**20K/yr-28.8%7.5% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/mouth-guard-for-teeth-grinding/search-terms)
## **Top mouth guard 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.
0%10%£81K20%£161K30%£242K40%£323K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mouth Guard for Grinding Teeth at Night: Moldable Dental Guard for Sleeping (4 Guards)**Reazeal**£10.29**4.0★15,971 rev](https://www.amazon.co.uk/dp/B092M5W117) [2![TheSleepGuard Mouth Guard for Clenching Teeth at Night [Pack of 4 Small & Large Sizes] Custom Night Guards for Teeth Grinding Nighttime Protection During Sleep for Men and Women](https://m.media-amazon.com/images/I/414kNmwd8CL.jpg)**TheSleepGuard Mouth Guard for Clenching Teeth at Night \[Pack of 4 Small & Large Sizes\] Custom Night Guards for Teeth Grinding Nighttime Protection During Sleep for Men and Women**TheSleepGuard**£12.63**3.9★4,436 rev](https://www.amazon.co.uk/dp/B08TV46SXG) [3**OPRO Dentist Recommended Night Guard Clenching and Grinding Teeth Bruxism TMJ Relief. Slim Fit Customisable Size Restful Sleep. Dental Antimicrobial Nightguard Case Included (Clear)**Opro**£12.61**3.6★865 rev](https://www.amazon.co.uk/dp/B0B3F92TX7) [4**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids**Psecici**£10.26**3.5★27 rev](https://www.amazon.co.uk/dp/B0GX4T1JRR) [5**HONEYBULL Anti Grinding Guard Set Comfortable Custom Mouth Guard for Nighttime Teeth Grinding (Mix 6.0 Count)**HONEYBULL**£7.49**3.9★13,636 rev](https://www.amazon.co.uk/dp/B07TWJLJHG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)**Psecici**£10.15**60 rev3w ago](https://www.amazon.co.uk/dp/B0H71GK9W4) [**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)**Psecici**£10.11**10 rev1mo ago](https://www.amazon.co.uk/dp/B0H2CYHC4N) [**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids**Psecici**£10.26**27 rev3mo ago](https://www.amazon.co.uk/dp/B0GX4T1JRR) [**Mouth Guard for Grinding Teeth at Night: Moldable Sleeping Mouthguards for Grinding & Clenching - Custom Fit Nighttime Guards for Adults 4 Pack**Elsophie**£16.43**71 rev3mo ago](https://www.amazon.co.uk/dp/B0GG8R24K2) [**Mouth Guard for Teeth Grinding and Clenching 4 Pack Moldable Night Guards for Sleeping Reusable Dental Protector for Bruxism Adults & Kids with Travel Case**Fleafer**£10.04**11 rev4mo ago](https://www.amazon.co.uk/dp/B0GJYYV8GW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)**Psecici**£10.15**4.8★**▲ 312%**](https://www.amazon.co.uk/dp/B0H71GK9W4) [**Mouth Guard for Grinding Teeth at Night: Moldable Sleeping Mouthguards for Grinding & Clenching - Custom Fit Nighttime Guards for Adults 4 Pack**Elsophie**£16.43**4.1★**▲ 310%**](https://www.amazon.co.uk/dp/B0GG8R24K2) [**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids**Psecici**£10.26**3.5★**▲ 307%**](https://www.amazon.co.uk/dp/B0GX4T1JRR) [**4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)**Psecici**£10.11**2.3★**▲ 307%**](https://www.amazon.co.uk/dp/B0H2CYHC4N) [**Mouth Guard for Teeth Grinding 4 Pack Reusable Night Mouth Guard for Jaw Clenching - Stops Bruxism Custom Fit Dental Protector for Sleeping Adults & Kids with Travel Cases**Fleafer**£10.24**4.4★**▲ 303%**](https://www.amazon.co.uk/dp/B0GJZG7CQP)
**~~View all trending →~~**
## **What buyers say about mouth guard for teeth grinding**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**15%
*“Good for dental hygiene”*
**Ease Of Use**13%
*“Ease of use”*
**Size-Overall**11%
*“Easy to fit”*
**Quality-Overall**11%
*“Overall, it feels like a solid, well-made product that actually does what it promises”*
**Comfort-Overall**11%
*“Comfortable fit”*
**Value For Money**8%
*“For the price its great”*
**Instructions/User Manual/Troubleshooting**4%
*“Instructions were clear”*
**Advertised Vs Actual Product**3%
*“Better than expected”*
**Tooth Sensitivity**3%
*“These have massively helped, gums aren't sore they're soft and comfortable, and clenching unintentionally and grinding my teeth they've likely helped save my teeth”*
**Efficiency**2%
*“Dows the job”*
### **What buyers complain about **
**Size-Overall**21%
*“Too small”*
**Oral Hygiene**8%
*“UK dental care is in a dire situation”*
**Comfort-Overall**7%
*“Hard and uncomfortable”*
**Quality-Overall**5%
*“Absolute rubbish”*
**Value For Money**5%
*“Waste of money”*
**Functionality-Overall**5%
*“doesnt close properly”*
**Instructions/User Manual/Troubleshooting**4%
*“No written instructions”*
**Thickness**4%
*“Its much thicker than the picture indicates”*
**Ease Of Use**3%
*“become very difficult to work with”*
**Durability**3%
*“Not durable”*
### **Top return reasons **
**Size-Overall**38%
**Functionality-Overall**13%
**Advertised Vs Actual Product**7%
**Quality-Overall**6%
**Comfort-Overall**5%
**Compatibility-Overall**4%
**Oral Hygiene**3%
**Instructions/User Manual/Troubleshooting**3%
**Tooth Sensitivity**3%
**Defective Material/Parts**3%
## **Common questions**
- **Is mouth guard for teeth grinding profitable to sell on Amazon United Kingdom?**
- The niche generates £807K/yr across 18 tracked products. 5 of 9 products launched in the last 360 days are still selling. 90-day search growth is -21.9%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the mouth guard for teeth grinding niche?**
- 13 brands and 29 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in mouth guard for teeth grinding?**
- Top complaints mined from reviews: Size-Overall, Oral Hygiene, Comfort-Overall. The return rate is 0.9%.
- **When does demand for mouth guard for teeth grinding peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the mouth guard for teeth grinding niche?**
- Listings span £7.49–£26.71; the average listing price is £12.38 (sweet spot $15–$100). The average incumbent carries 2,340 reviews — the moat a new listing must climb.
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