Oral Care Journal

Health > Oral Health > Natural Dental Care

Researchers have found gum disease bacteria living inside 96% Of Alzheimer's brains. Here is what your toothpaste has to do with it.

If you brush with regular toothpaste twice a day and have never looked at what is actually in it, read this first.

  • By: Carol Simmons | 4 Min Read
    Last Updated February 2, 2025

  • 143,763

i watched my mother forget my name. what i found that night changed everything.

It happened slowly.
 

Same stories twice. Lost keys. 

Sentences that stopped mid-thought.


Then one afternoon she looked at me across the kitchen table. Her daughter. The face she had looked at for 47 years.


And for a few terrible seconds. Nothing.

I was 51. A health researcher. Fifteen years of reading studies for a living.
 

That night I started looking into what was actually happening inside the brains of Alzheimer's patients.
 

What I found made me walk straight to my bathroom and throw away the tube I had handed my family for thirty years without a second thought.

what scientists found that changed how i think about oral health

Scientists studying Alzheimer's found bacteria living directly inside the brain tissue of patients.
 

Not near it. Inside it.
 

A specific type called Porphyromonas gingivalis. The same bacteria found in infected and bleeding gums.
 

A research team led by Dr. Stephen Dominy tested 53 Alzheimer's brain samples and found this bacteria's proteins in 96% of them.

Published in Science Advances, 2019.
 

When they introduced this bacteria into the brains of healthy mice, the mice developed Alzheimer's-like damage. Brain plaques. Protein tangles. Dead brain cells.
 

It appeared to be helping cause it.
 

This changed how I thought about one thing: the health of my mouth. Not as a cosmetic issue. As a gateway to everything else.

what most toothpastes are actually doing to your mouth

That bacteria lives in the gums of most adults. In a healthy mouth with a strong protective lining, it stays there.
 

But when that lining breaks down, it can get into the blood.


So what breaks it down?


The foaming agent in most toothpastes. It is called SLS. Sodium Lauryl Sulfate. It is in Colgate. Crest. Oral-B.


SLS does not just strip the lining. It kills bacteria indiscriminately. Your mouth is home to over 700 species of bacteria. Most are protective. When the good ones disappear, harmful species have nothing competing against them.
 

Twice a day. Every day.
 

And then there is fluoride.
 

Once in the body it builds up in tissue and does not leave easily. A peer-reviewed review found fluoride has been linked to activation of the brain's own immune cells, flooding surrounding tissue with inflammation.
 

In animal studies, fluoride has been linked to damage of a protein called tau. When it breaks down it collapses into twisted clumps. Protein tangles. One of the two main physical signs of Alzheimer's disease.
 

The FDA pulled triclosan from toothpaste in 2016. Europe banned titanium dioxide from food in 2021.

They always say something eventually.
 

I am not waiting.

what your teeth actually need instead

Your teeth do not need fluoride to stay strong.
 

They need hydroxyapatite. That is what tooth enamel is made from.


Nano-hydroxyapatite particles can stick directly to damaged spots, fill tiny cracks and make the surface stronger. Using the same material your tooth is already made from. No buildup in the body. No immune response.


But two things determine whether it actually works.


Amount. A study by Huang, Gao and Yu, published in Biomedical Materials, tested four concentrations. 1%. 5%. 10%. 15%. Below 10% the repair effect was much weaker. At 10% it worked best. Going higher added nothing. Most brands use 2% to 5%. Not enough.


Size. Micro-sized particles are too large to enter enamel. They sit on the surface. Nano particles are hundreds of times smaller. They get inside the enamel structure and rebuild from within.
 

EcoBrightSmile uses exactly 10% nano-hydroxyapatite. The right amount. The right size. Japan has used this approach since the 1980s. Western science is now catching up.

why ecobrightsmile is nothing like your current toothpaste

It is not a toothpaste. It is a tooth powder.
 

Pick up any regular tube and read the back. Seventeen ingredients. Sometimes twenty. How many are doing something useful? Three. The rest are gels, binders, preservatives and dyes that exist to hold the paste together and keep it on a shelf for three years.
 

When you remove all of that, you are left with only what works.
 

You dip your brush. You brush. Rinse. That is it.
 

10% nano-hydroxyapatite. Fills cracks, strengthens enamel, rebuilds what acid and time have worn down.
 

Xylitol. Starves cavity bacteria. Leaves good bacteria alone.
 

Alkyl glucoside. Gentle plant-based foam. Cleans without stripping your mouth lining.
 

Papain and bromelain. Natural enzymes from papaya and pineapple that dissolve the sticky layer holding plaque to your teeth.
 

Peppermint and spearmint. Clean mild mint. Nothing artificial.
 

And one thing you will notice the very first morning. Orange juice after brushing. No bitter taste. No metallic aftertaste. That horrible taste your whole life right after brushing? That is SLS blocking your taste buds. Without it, it is just gone.

CHECK ECOBRIGHTSMILE AVAILABILITY

"At my last check-up my dentist said my gum tissue was the healthiest she had ever recorded for me. She wrote it down." ★★★★★ — Margaret D., Verified Buyer

what happened over 3 months

📅 Month 1. Straight Away
 

Gentle foam. Clean mint. Within two weeks my gums had stopped bleeding when I brushed. I had bled for years and assumed it was just normal. And the morning I had orange juice after brushing and tasted nothing but orange juice, I knew something had genuinely changed.
 

📅 Month 2. At Home
 

The sensitivity along my back teeth I had lived with for two years quietly disappeared. My teeth started looking noticeably smoother and shinier in the mirror. My mouth just felt cleaner after brushing. Not chemically blasted. Actually clean.


📅 Month 3. The Dentist
 

I did not tell her I had changed anything. I wanted to see what she would say on her own. She checked my gums, my teeth, my enamel. Then she looked up. No bleeding at all. Gums healthy. Enamel strong. No new cavities. Everything looking really good. She asked what I had been doing differently. I smiled and told her.

what others are saying

"My father has Alzheimer's. Switching felt like the one real thing I could do. Three months later my dentist said my gum health had improved a lot." ★★★★★ — Patricia H., Verified Buyer 
 

"I am 58 and never thought about what was in toothpaste. My wife sent me this. We switched the whole house. Three months later the dentist said healthiest gums he had seen from me in years." ★★★★★ — Robert K., Verified Buyer
 

"Funnily enough, the orange juice thing got me. No bitter taste at all. I have brushed my teeth every day for 50 years and was able to taste orange the way it normally tastes right after brushing" ★★★★★ — Susan A., Verified Buyer 

CHECK ECOBRIGHTSMILE AVAILABILITY

the empty jar promise

EcoBrightSmile offers a full 60-day money back guarantee on every order.

 

Use the entire jar. If your teeth do not feel cleaner and stronger, if the bitter aftertaste is still there in the morning, if you do not feel like you have made the right switch, EcoBrightSmile will refund every penny. No questions. No forms.
 

They are that confident you will feel the difference.


You have nothing to lose except the tube on your shelf right now.

one simple choice tonight

LIMITED STOCK REMAINING

00
Day
00
Hour
00
Minute
00
Second

you have two options

Keep the same tube. Keep the SLS stripping your mouth lining twice a day. Keep the fluoride building up. Nothing changes.
 

Or switch tonight. No SLS. No fluoride. 10% nano-hydroxyapatite at the strength that actually works. A mouth that is being protected and rebuilt every single time you brush.
 

Picture your next dentist visit. Hearing that your gums, your teeth, your enamel all look great. Without you having said a word.
 

Picture your morning orange juice tasting the way it actually tastes.
 

Picture brushing twice a day and knowing you are doing something right.
 

EcoBrightSmile is currently offering first orders at an introductory price. The last two times they ran this it sold out within the week.
 

If the link below is still active, they have stock.

CHECK eCOBRIGHTSMILE AVAILABILITY

  • No Sulfates

  • No Fluoride

  • No Fillers

  • No Sulfates

  • No fluoride

  • No synthetic fillers

Clinically-backed 10% nano-hydroxyapatite formula.

47,000+ families have already made the switch

The First Tooth Powder in the UK With 10% Nano-Hydroxyapatite

CHECK eCOBRIGHTSMILE AVAILABILITY

Customer Reviews

★★★★★ 4.78 out of 5

2,037 customer ratings

59% off ecobrightsmile: CHECK AVAILABILITY