Saturday, March 7, 2026

The cavity threat your dentist isn’t asking about

At my annual bodily, my physician asks about my food plan, sleep, and stress ranges.

When most individuals go to the dentist, they get requested—principally—in the event that they’re flossing.

For forty years, I’ve watched dentists (myself included) focus virtually totally on mechanical cleansing—brushing, flossing, fluoride—whereas fully ignoring the atmosphere these enamel are sitting in all day!

We handled the mouth like a sink that wanted scrubbing. However your mouth isn’t a sink. It’s an ecosystem. And similar to any ecosystem, it thrives or struggles primarily based on the situations you create for it.

One of the vital ignored elements is hydration and electrolyte stability.

Thirty years in the past, I wouldn’t have believed I’d be writing about electrolytes and oral well being…don’t all of us affiliate electrolytes with physique builders and marathon runners?

However right here’s what I’ve realized: the well being of your saliva determines the well being of your oral microbiome. And the well being of your oral microbiome determines virtually the whole lot else.

Most individuals assume saliva is simply water. And sure, it’s 99% water—however that different 1% is performing some significantly heavy lifting.

That 1% consists of:

  • Electrolytes (sodium, potassium, calcium, magnesium, bicarbonate, phosphate)
  • Antimicrobial proteins
  • Enzymes
  • Antibodies
  • pH buffers

What shocked me most: the viscosity of your saliva—how thick or skinny it’s—instantly impacts which micro organism can thrive in your mouth.

Consider viscosity like this: honey is thick and strikes slowly (excessive viscosity). Water is skinny and flows quick (low viscosity). Your saliva must be proper within the center—not too thick, stringy or ropey, and never too watery.

If you’re correctly hydrated and your electrolytes are balanced, your saliva has the proper consistency. It’s not too thick, not too skinny. This permits the mucin proteins in your saliva to broaden and create a protecting coating over your enamel and gums—a biofilm, however the good type.

If you’re dehydrated, your entire system shifts…

Your saliva will get thicker and stickier. Stream price drops. The antimicrobial proteins can’t do their job as properly. And out of the blue, the micro organism that shouldn’t be there begin taking up.

Research on sufferers with dry mouth (xerostomia) present clear shifts of their oral microbiome—extra pathogenic species, fewer health-associated species. The identical sample reveals up in people who find themselves chronically dehydrated, even when they don’t really feel “dry mouth.”

The Dysbiosis Cascade

When your saliva circulate decreases and its composition adjustments, you enter what researchers name “dysbiosis”—an imbalance in your microbial ecosystem.

Right here’s what occurs:

  1. Helpful micro organism (like Streptococcus salivarius) decline
  2. Pathogenic micro organism (like Porphyromonas, Fusobacterium, Prevotella intermedia) improve
  3. Biofilm structure shifts from protecting to inflammatory
  4. Your threat for cavities, gum illness, and even systemic irritation goes up

This could occur even when you’re brushing and flossing completely.

I’ve seen it a whole bunch of occasions. Sufferers who have been meticulous about oral hygiene however nonetheless struggled with cavities, bleeding gums, or continual dangerous breath. Once we dug deeper, the problem wasn’t their brushing method. It was their inside atmosphere.

You possibly can brush and floss on daily basis—however these are all issues that help the oral microbiome solely when your saliva has the best viscosity. With out that basis, your mouth is in bother.

To not point out…most toothpastes dehydrate and dry your mouth—like most soaps dry your pores and skin.

Your salivary glands want electrolytes to provide wholesome saliva.

Particularly:

  • Bicarbonate acts as a pH buffer, neutralizing acids that trigger cavities
  • Calcium and phosphate help remineralization of tooth enamel
  • Sodium and potassium regulate fluid stability and saliva circulate
  • Magnesium helps enzyme perform and mineral absorption

If you’re low on electrolytes—whether or not from dehydration, poor food plan, extreme caffeine, or continual stress—your saliva composition shifts. Bicarbonate drops. pH turns into extra acidic. Mineral content material decreases.

And similar to that, you’ve created an atmosphere the place cavity-causing micro organism thrive.

Should you’re low in electrolytes, you are likely to lose moisture and usually tend to get dehydrated.

Should you don’t have sufficient electrolytes outdoors your cells, water will get pulled into the cells and away out of your tissues and blood, dehydrating you; in case you have too many, water will get pulled out of the cells, making you hypertonic—so the stability of electrolytes is what retains your physique’s water in the best place.

We get too few electrolytes at the moment as a result of trendy diets are low in mineral-rich entire meals, our water is stripped of pure minerals, and stress, sweating, caffeine, alcohol, and drugs all improve electrolyte loss.

You could be dehydrated and low on electrolytes when you discover fatigue, headache, dry mouth, mind fog, darker urine, muscle cramps, or feeling thirsty even after ingesting water.

For this reason I started paying nearer consideration to electrolytes in my every day routine. I’m loving these ones.

Whereas electrolytes create the bodily basis for a wholesome oral microbiome, inexperienced tea polyphenols create the organic basis.

The principle polyphenol in inexperienced tea—EGCG (epigallocatechin gallate)—has been proven to:

  • Disrupt pathogenic biofilm formation (particularly the “dangerous” micro organism like S. mutans)
  • Cut back bacterial adhesion to enamel
  • Shift the oral microbiome towards health-associated species
  • Decrease irritation in gum tissue

However right here’s what makes inexperienced tea so elegant: it doesn’t kill micro organism indiscriminately like antiseptic mouthwash does. It selectively disrupts the biofilms of pathogenic micro organism whereas permitting helpful micro organism to thrive.

Even higher is that green tea acts as a prebiotic—it feeds the nice micro organism you need whereas ravenous out the dangerous ones.

That is precisely what you need. You want micro organism in your mouth. You simply want the best stability of micro organism.

This realization ultimately knowledgeable the creation of a prebiotic toothpaste firm I co-founded. Most toothpastes give attention to killing micro organism. Fygg focuses on feeding the best micro organism whereas rebuilding enamel with nano-hydroxyapatite.

I’ve been ingesting this inexperienced tea for the previous twenty years or so, and I’ve observed a measurable distinction in my oral well being. Much less plaque buildup. Cleaner-feeling enamel. And my hygienist has commented that my gums look higher than they’ve in years.

Should you’re coping with:

  • Recurring cavities regardless of good oral hygiene
  • Bleeding gums
  • Persistent dangerous breath
  • Dry mouth
  • Tooth sensitivity

…your dentist needs to be asking about your hydration standing, your electrolyte consumption, and what you’re ingesting all through the day.

To not point out—when you’re ingesting inexperienced tea, you then’re displacing different seemingly-healthy drinks that wreak havoc on the oral microbiome—Ollipop, kombucha, and so forth.

Inexperienced tea’s pH is barely acidic, however nowhere close to soda or juice territory.

Should you’d wish to continue to learn, take a look at my interview with Natural Olivia, “Holy Spit.”

Hope you’ve gotten a fantastic week,

Mark

P.S. Sadly, a lot of the dental subject isn’t pondering this fashion but. However that’s altering. Practical dentistry is lastly catching as much as what the analysis has been displaying for years: your oral well being is inseparable out of your systemic well being.

If you wish to discover a dentist who will get this, take a look at my Practical Dentist Listing.

These are practitioners who have a look at the mouth as a part of the entire physique, not only a assortment of enamel to scrub.

>> Should you’re a dentist or hygienist who’d like to affix ushit reply—I might love to listen to from you!

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