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.

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.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Great$21.33

avg listing price — sweet spot $15–$100

Brand share

Great49%

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

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good51%

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

Conversion

Good4.5%

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

Bad5,783.6

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand

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

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

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.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 3.0×

Open Trend

Top cavity repair search terms

cavity repair137K/yr +24.2%4.2% conv.
cavity24K/yr +0.5%2.6% conv.
dental sealant for teeth11K/yr -33.1%0.9% conv.
anti cavity8K/yr -4.4%2.4% conv.
tooth sealant8K/yr +19.8%3.1% conv.
tooth decay repair4K/yr +201.3%2.8% conv.
tooth sealant for cracked tooth5K/yr +1.7%2.3% conv.
cavity remover5K/yr +18.4%0.9% conv.
caries5K/yr +38.1%0.3% conv.
cavity prevention5K/yr -22.2%1.9% conv.

All 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.

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

Dentemp Maximum Strength Loose Cap and Lost Filling Repair - Dental Repair Kit for Instant Pain Relief (Pack of 2) - Packaging May Vary

Dentemp$9.403.7★5,315 rev

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

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

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

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

Zinc Oxide Eugenol Dental Cement Tooth Repair kit for Broken Teeth Temporary Filling for Crowns Tooth Filler Cavity Filler for Teeth

CLYVO$34.6665 rev

7mo 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

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$38.6789 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

What buyers say about cavity repair

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

What buyers love

Oral Hygiene17%

“Great for your teeth”

Quality-Overall10%

“Great product, loving the results”

Taste-Overall9%

“No funny taste”

Tooth Brightening9%

“Brightens teeth”

Tooth Sensitivity7%

“Definitely improved my tooth sensitivity”

Flavor5%

“Flavor is good”

Value For Money5%

“Money well spent”

Cleansing4%

“Cleans so well”

Efficiency4%

“Actually works, and works quickly”

Advertised Vs Actual Product3%

“As advertised”

What buyers complain about

Functionality-Overall13%

“No result”

Value For Money8%

“Too expensive”

Oral Hygiene8%

“Nothing is as good as your dentist”

Taste-Overall6%

“Weird taste”

Tooth Sensitivity3%

“Does absolutely nothing for tooth sensitivity”

Ease Of Use3%

“hard to get out”

Size-Overall3%

“Small size”

Adhesion/Stickiness3%

“but it's very sticky”

Flavor2%

“Unusual flavor”

Durability2%

“Crumbles apart & breaks”

Top return reasons

Advertised Vs Actual Product14%

Functionality-Overall12%

Taste-Overall7%

Ingredients-Overall6%

Leak-Proof6%

Value For Money6%

Tooth Sensitivity5%

Adhesion/Stickiness5%

Flavor4%