Is cavity repair toothpaste profitable to sell on Amazon United States?

The niche generates $387K/yr across 21 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.3%. Flapen's verdict: Worth a look (53/100).

How competitive is the cavity repair toothpaste niche?

14 brands and 61 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in cavity repair toothpaste?

Top complaints mined from reviews: Oral Hygiene, Value For Money, Taste-Overall. The return rate is 0.3%.

When does demand for cavity repair toothpaste peak?

Demand peaks in May–Oct–Nov; the busiest month runs 2.5× the quietest.

What does it cost to enter the cavity repair toothpaste niche?

Listings span $5.11–$68.04; the average listing price is $18.30 (sweet spot $15–$100). The average incumbent carries 10,889 reviews — the moat a new listing must climb.

cavity repair toothpaste

Worth a look

Shows low returns (0.3%), but soft demand (-15.3% this quarter) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Great$18.30

avg listing price — sweet spot $15–$100

Price range

Great$5.11–$68.04

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

Conversion

Good6.0%

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

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Market size

Good$387K

$387K/yr · 353K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay65%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad10,888.86

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-15.3%

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

According to Flapen's Amazon United States niche tracking, cavity repair toothpaste is a $387K/yr Amazon United States market (353K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in May–Oct–Nov. Verdict: Worth a look — 53/100.

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

cavity repair toothpaste market data

Units sold / yr: 15K–20K; avg 750–1,000/product
Revenue / yr: $275K–$366K; units × avg price
Conversion rate: 6.0%
Avg BSR: #192
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 49 months
Avg seller age: 142 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

Top-5 brand share

66%

Top 20: 83%

Top-5 click share

65%

Top 20: 99%

Open market

17%

Boka24%
CAREDO23%
--17%
SENSODYNE PRONAMEL7%
Dr. Glow7%
Davids6%
Open — no brand owns it (8 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.3% search growth over the last 90 days.

Peak months: May, Oct, Nov · busiest ÷ quietest = 2.5×

Open Trend

Top cavity repair toothpaste search terms

cavity reversing toothpaste95K/yr +5.5%5.8% conv.
reverse cavities and tooth decay22K/yr +0.9%2.1% conv.
cavity repair toothpaste22K/yr +20.0%4.0% conv.
cavity reversal65K/yr -57.4%2.8% conv.
tooth decay reversal27K/yr -35.7%2.5% conv.
tooth repair toothpaste15K/yr -4.8%3.8% conv.
repair toothpaste11K/yr +0.1%4.1% conv.
organic cavity reversal6K/yr +75.2%1.8% conv.
toothpaste for cavities repair12K/yr -20.7%5.2% conv.
toothpaste cavity repair9K/yr +8.6%9.1% conv.

All search terms

Top cavity repair toothpaste 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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$26.614.2★1,515 rev

Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth - for Adult Oral Care - Ela Mint Flavor 4 Fl Oz 1Pk

Boka$11.574.5★59,113 rev

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

--$11.724.5★6,112 rev

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$19.724.4★711 rev

Davids Hydroxi Fluoride Free Nano Hydroxyapatite Toothpaste for Remineralizing Sensitive Support Whitening Antiplaque SLS Free Natural Peppermint 4oz Made in USA

Davids$9.634.4★20,667 rev

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$5.11826 rev

6mo ago

Cavity Protection Tooth Armor Liquid: Science-Backed Formula Strengthens Enamel with Remineralization Drops at-Home Tooth Enamel Support Stronger Teeth Hydroxyapatite 60 ml

VENUECO$19.43343 rev

9mo ago

Dentagum Remineralizing Gum with Nano-Hydroxyapatite & Xylitol SugarFree Chewing Gum for Enamel Repair Cavity Protection & Receding Gums 60 Pieces

Dentagum$31.46649 rev

11mo ago

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

--$14.601,397 rev

1y ago

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

--$11.726,112 rev

1y ago

What buyers say about cavity repair toothpaste

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

What buyers love

Oral Hygiene18%

“Great for your teeth”

Tooth Brightening12%

“Whitening toothpaste”

Taste-Overall9%

“Fresh taste”

Quality-Overall9%

“Great product, loving the results”

Tooth Sensitivity8%

“Great for tooth sensitivity”

Cleansing5%

“Clean teeth”

Flavor5%

“Mild flavor”

Value For Money4%

“Great deal”

Efficiency3%

“Very effective”

Advertised Vs Actual Product3%

“As advertised”

What buyers complain about

Oral Hygiene9%

“This product is NOT intended for oral use”

Value For Money8%

“Too expensive”

Taste-Overall7%

“Weird taste”

Functionality-Overall5%

“Didn't work as expected”

Tooth Sensitivity4%

“Does absolutely nothing for tooth sensitivity”

Size-Overall3%

“The tubes are also very small”

Advertised Vs Actual Product3%

“Misleading Title”

Tooth Brightening3%

“My teeth didn't get any whiter either”

Flavor3%

“the flavor is kind of strange”

Ingredients-Overall3%

“Terrible terrible ingredients”

Top return reasons

Advertised Vs Actual Product14%

Taste-Overall9%

Ingredients-Overall8%

Functionality-Overall7%

Tooth Sensitivity6%

Tooth Brightening6%

Value For Money6%

Flavor6%

Leak-Proof5%

Oral Hygiene4%

Common questions

Is cavity repair toothpaste profitable to sell on Amazon United States?: The niche generates $387K/yr across 21 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the cavity repair toothpaste niche?: 14 brands and 61 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in cavity repair toothpaste?: Top complaints mined from reviews: Oral Hygiene, Value For Money, Taste-Overall. The return rate is 0.3%.
When does demand for cavity repair toothpaste peak?: Demand peaks in May–Oct–Nov; the busiest month runs 2.5× the quietest.
What does it cost to enter the cavity repair toothpaste niche?: Listings span $5.11–$68.04; the average listing price is $18.30 (sweet spot $15–$100). The average incumbent carries 10,889 reviews — the moat a new listing must climb.