---
title: "Cavity Repair — $241K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cavity-repair"
last_updated: "2026-08-11T05:28:43.309Z"
locale: en
meta:
description: "Niche score 62/100 · $241K/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 62/100 · $241K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Cavity Repair — $241K/yr Amazon US Niche (2026) - Flapen"
---
# **cavity repair**
**Worth a look**
Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 45Growth 38Conversion 54Competition 57Returns 98Price range 82Avg price 91Brand share 86Review moat 24Quality gap 73
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$21.33**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$5.11–$68.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$241K**
$241K/yr · 253K searches
**Growth**
**Okay****+10.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****5,783.6**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, cavity repair is a $241K/yr Amazon United States market (253K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Worth a look — 62/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cavity repair market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$213K–$267K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#225**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**24 **▼falling
**Sellers**
**60**
**Top-5 brand share**
**49%**
Top 20: 89%
**Top-5 click share**
**51%**
Top 20: 91%
**Open market**
**43%**
- Dentemp17% - CAREDO14% - --8% - Dr. Glow7% - Boka6% - VENUECO6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.3% search growth over the last 90 days.
9K7KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 3.0×
[**Open Trend **](https://flapen.com/research/us/health-household/cavity-repair/trend)
## **Top cavity repair search terms**
- **cavity repair**137K/yr+24.2%4.2% conv. - **cavity**24K/yr+0.5%2.6% conv. - **dental sealant for teeth**11K/yr-33.1%0.9% conv. - **anti cavity**8K/yr-4.4%2.4% conv. - **tooth sealant**8K/yr+19.8%3.1% conv. - **tooth decay repair**4K/yr+201.3%2.8% conv. - **tooth sealant for cracked tooth**5K/yr+1.7%2.3% conv. - **cavity remover**5K/yr+18.4%0.9% conv. - **caries**5K/yr+38.1%0.3% conv. - **cavity prevention**5K/yr-22.2%1.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/cavity-repair/search-terms)
## **Top cavity repair 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%4%$10K8%$19K12%$29K16%$39K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dentemp Maximum Strength Loose Cap and Lost Filling Repair - Dental Repair Kit for Instant Pain Relief (Pack of 2) - Packaging May Vary**Dentemp**$9.40**3.7★5,315 rev](https://www.amazon.com/dp/B00NFUBV32) [2**CAREDO Cavity Reversal Hydroxyapatite Toothpaste for Adults Cavity Tooth Filler as Home Cavity Repair Fluoride Free Reverse Cavities Treatment for Tooth Decay Repair Remineralizing Repair 3.52OZ**CAREDO**$26.61**4.2★1,515 rev](https://www.amazon.com/dp/B07RH71NQG) [3**Mouthology 10% Nano Hydroxyapatite Toothpaste Fluoride Free Whitening* Rod Shaped nHA Xylitol Toothpaste for Adults Enamel Care* Sensitive Teeth* SLS Free Mint 4oz (USA Made) Package May Vary**--**$11.72**4.5★6,112 rev](https://www.amazon.com/dp/B0CS4137M1) [4**Dr. Glow Adult Cavity Repair Toothpaste Cavity Reversing Hydroxyapatite Toothpaste Cavity Filler for Tooth Remineralization Tooth Decay Treatment Repair Enamel Repair Cavity Remover Fluoride Free**Dr. Glow**$19.72**4.4★711 rev](https://www.amazon.com/dp/B0BLNBS9FQ) [5**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth - for Adult Oral Care - Ela Mint Flavor 4 Fl Oz 1Pk**Boka**$11.57**4.5★59,113 rev](https://www.amazon.com/dp/B083JHCCV2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sensodyne Pronamel Intensive Enamel Repair Toothpaste for Sensitive Teeth and Cavity Protection Whitening Toothpaste to Strengthen Enamel Arctic Breeze - 2.3 Ounces**SENSODYNE PRONAMEL**$5.11**826 rev6mo ago](https://www.amazon.com/dp/B0G6FS263J) [**Zinc Oxide Eugenol Dental Cement Tooth Repair kit for Broken Teeth Temporary Filling for Crowns Tooth Filler Cavity Filler for Teeth**CLYVO**$34.66**65 rev7mo ago](https://www.amazon.com/dp/B0GG4CX4TS) [**Cavity Protection Tooth Armor Liquid: Science-Backed Formula Strengthens Enamel with Remineralization Drops at-Home Tooth Enamel Support Stronger Teeth Hydroxyapatite 60 ml**VENUECO**$19.43**343 rev9mo ago](https://www.amazon.com/dp/B0FVXD95GG) [**Zinc Oxide Eugenol Dental Care Kit Tooth Repair Kit Temporary Tooth Filling Repair Kit Tooth Filler Cavity Filler Dental Cement Glue Adhesive for Crowns Bridges Teeth Home Dental Emergency Fix**Meldclb**$38.67**89 rev9mo ago](https://www.amazon.com/dp/B0FVFY9ZH8) [**Dentagum Remineralizing Gum with Nano-Hydroxyapatite & Xylitol SugarFree Chewing Gum for Enamel Repair Cavity Protection & Receding Gums 60 Pieces**Dentagum**$31.46**649 rev11mo ago](https://www.amazon.com/dp/B0FH77JJ7J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Zinc Oxide Eugenol Dental Care Kit Tooth Repair Kit Temporary Tooth Filling Repair Kit Tooth Filler Cavity Filler Dental Cement Glue Adhesive for Crowns Bridges Teeth Home Dental Emergency Fix**Meldclb**$38.67**4.1★**▲ 195%**](https://www.amazon.com/dp/B0FVFY9ZH8) [**Zinc Oxide Eugenol Dental Cement Tooth Repair kit for Broken Teeth Temporary Filling for Crowns Tooth Filler Cavity Filler for Teeth**CLYVO**$34.66**3.9★**▲ 178%**](https://www.amazon.com/dp/B0GG4CX4TS) [**9.9% Hydroxyapatite Toothpaste - 2 Pack Protects Enamel and Strengthens Teeth Cleans and Cares for Oral Health Freshens Breath Non-Irritating Natural and Safe 8.46 Oz**--**$14.60**4.4★**▲ 176%**](https://www.amazon.com/dp/B0F25YRGYC) [**Sensodyne Pronamel Intensive Enamel Repair Toothpaste for Sensitive Teeth and Cavity Protection Whitening Toothpaste to Strengthen Enamel Arctic Breeze - 2.3 Ounces**SENSODYNE PRONAMEL**$5.11**4.6★**▲ 161%**](https://www.amazon.com/dp/B0G6FS263J) [**Mouthology 10% Nano Hydroxyapatite Toothpaste Fluoride Free Whitening* Rod Shaped nHA Xylitol Toothpaste for Adults Enamel Care* Sensitive Teeth* SLS Free Mint 4oz (USA Made) Package May Vary**--**$11.72**4.5★**▲ 52%**](https://www.amazon.com/dp/B0CS4137M1)
**~~View all trending →~~**
## **What buyers say about cavity repair**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**17%
*“Great for your teeth”*
**Quality-Overall**10%
*“Great product, loving the results”*
**Taste-Overall**9%
*“No funny taste”*
**Tooth Brightening**9%
*“Brightens teeth”*
**Tooth Sensitivity**7%
*“Definitely improved my tooth sensitivity”*
**Flavor**5%
*“Flavor is good”*
**Value For Money**5%
*“Money well spent”*
**Cleansing**4%
*“Cleans so well”*
**Efficiency**4%
*“Actually works, and works quickly”*
**Advertised Vs Actual Product**3%
*“As advertised”*
### **What buyers complain about **
**Functionality-Overall**13%
*“No result”*
**Value For Money**8%
*“Too expensive”*
**Oral Hygiene**8%
*“Nothing is as good as your dentist”*
**Taste-Overall**6%
*“Weird taste”*
**Tooth Sensitivity**3%
*“Does absolutely nothing for tooth sensitivity”*
**Ease Of Use**3%
*“hard to get out”*
**Size-Overall**3%
*“Small size”*
**Adhesion/Stickiness**3%
*“but it's very sticky”*
**Flavor**2%
*“Unusual flavor”*
**Durability**2%
*“Crumbles apart & breaks”*
### **Top return reasons **
**Advertised Vs Actual Product**14%
**Functionality-Overall**12%
**Taste-Overall**7%
**Ingredients-Overall**6%
**Leak-Proof**6%
**Value For Money**6%
**Tooth Sensitivity**5%
**Adhesion/Stickiness**5%
**Flavor**4%
**Size-Overall**3%
## **Common questions**
- **Is cavity repair profitable to sell on Amazon United States?**
- The niche generates $241K/yr across 30 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is +10.3%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the cavity repair niche?**
- 24 brands and 60 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in cavity repair?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Oral Hygiene. The return rate is 0.3%.
- **When does demand for cavity repair peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 3.0× the quietest.
- **What does it cost to enter the cavity repair niche?**
- Listings span $5.11–$68.04; the average listing price is $21.33 (sweet spot $15–$100). The average incumbent carries 5,784 reviews — the moat a new listing must climb.
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