denture care
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible$7.5M$7.5M/yr · 3.5M searches
Conversion
Incredible23.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.3%return rate — above 6% kills the launch gate
Price range
Okay$4.93–$20.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$9.43avg listing price — sweet spot $15–$100
Growth
Bad-3.6%90-day search growth — must beat 0% to launch
Review moat
Bad13,622.64avg incumbent reviews — the moat a new listing must climb
Competition
Bad79%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
67
Top-5 brand share
100%
Open market
0%
- efferdent54%
- Alka-Seltzer28%
- Polident13%
- m3naturals5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Efferdent Denture Cleaner Tablets Dental Appliances Aligners Mouth Guard and Retainer Cleaner Tablets Minty Fresh & Clean 126 Count
efferdent$5.804.8★20,912 rev

Efferdent Denture Cleaner Tablets Dental Appliances Aligners Mouth Guard and Retainer Cleaner Tablets Complete Clean 126 Count
efferdent$5.624.8★39,868 rev

Alka-Seltzer Heartburn + Pain Effervescent Aspirin + Antacid Tablets Fast Heartburn Relief and Acid Indigestion Relief Pain Relief with Aspirin 72 Ct
Alka-Seltzer$9.614.8★21,115 rev

Alka-Seltzer Effervescent Tablets Original Flavor Fast Multi-Symptom Relief from Headache and Body Ache Dissolvable Effervescent Fizzy Tablets Pain Relief Dispenser Pack 116 Ct
Alka-Seltzer$14.864.8★2,631 rev

Alka-Seltzer Extra Strength Heartburn Relief Effervescent Antacid Tablets Fast Indigestion Relief 36Ct
Alka-Seltzer$8.034.8★848 rev
Newest
by launch date
Alka-Seltzer Extra Strength Heartburn Relief Effervescent Antacid Tablets Fast Indigestion Relief 36Ct
Alka-Seltzer$8.03848 rev

Polident 3 Minute Antibacterial Dental Appliance Cleanser Tablets Retainer Cleaner Tablets 90 Count (2 Pack)
Polident$10.933,780 rev

Polident Overnight Whitening Antibacterial Dental Appliance Cleanser Tablets 90 Count (2 Pack)
Polident$12.115,289 rev

Polident Overnight Whitening Antibacterial Dental Appliance Cleanser Tablets Mouthguard Cleaning Tablets 60 Count
Polident$5.463,906 rev

Polident 3 Minute Antibacterial Dental Appliance Cleanser Tablets Retainer Cleaner Tablets 60 Count
Polident$5.615,554 rev
Trending
90-day click momentum
Alka-Seltzer Extra Strength Heartburn Relief Effervescent Antacid Tablets Fast Indigestion Relief 36Ct
Alka-Seltzer$8.034.8★

Polident Overnight Whitening Antibacterial Dental Appliance Cleanser Tablets Mouthguard Cleaning Tablets 60 Count
Polident$5.464.8★

Polident 3 Minute Antibacterial Dental Appliance Cleanser Tablets Retainer Cleaner Tablets 90 Count (2 Pack)
Polident$10.934.8★

Efferdent Denture Cleaner Tablets Dental Appliances Aligners Mouth Guard and Retainer Cleaner Tablets Minty Fresh & Clean 126 Count
efferdent$5.804.8★

Alka-Seltzer Effervescent Tablets Original Flavor Fast Multi-Symptom Relief from Headache and Body Ache Dissolvable Effervescent Fizzy Tablets Pain Relief Dispenser Pack 116 Ct
Alka-Seltzer$14.864.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Cleans well”
“Fair price”
“Great, affordable product”
“Works quickly and effectively for me”
“AS described”
“Clean and fresh”
“Ease of use”
“no funky smells — everything comes out looking brand new”
“it served the purpose for cleaning teeth”
“Keep those teeth clean”
What buyers complain about
“Bad smell”
“not clean looking”
“Doesn't work as well as I had hoped”
“Waste of money”
“it did not remove any of the stains”
“Horrible lingering aftertaste”
“They turned faint green color”
“On the box it has an allergy warning”
“All the discolorations”
“Leaves resudue”