---
title: "Reviews — mouth guard for teeth grinding - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/mouth-guard-for-teeth-grinding/reviews"
last_updated: "2026-07-31T08:15:46.824Z"
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": "Reviews — mouth guard for teeth grinding - 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%")