How to Reverse Cavities & Protect Your Oral Microbiome - With Dr. Staci Whitman

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Mar 5, 2026

Dr. Staci Whitman, a board-certified dentist who founded the first Functional Pediatric Dental Practice in the U.S., explains how early cavities can be halted and even reversed. She discusses the oral microbiome, remineralization with hydroxyapatite, how diet and breathing shape dental and metabolic health, and practical prevention strategies for children and adults.

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ANECDOTE

Ancestors Had Healthy Wide Jaws From Chewing Hard Foods

Anthropological skulls show wide palates, straight teeth and near absence of cavities in ancestors.
Whitman links modern crowding and airway shrinkage to softer diets and reduced chewing over 12,000 years.

ADVICE

Eat On A Schedule To Give Saliva Time To Reset

Eat on a schedule and avoid constant snacking to give saliva ~2 hours to buffer acids and allow remineralization.
Whitman notes non-snackers (breakfast/lunch/dinner) have fewer cavities; grazing bathes teeth in acid.

ADVICE

Pair Snacks With Crunch Or Xylitol To Boost Saliva

After eating sugary or processed snacks, pair them with crunchy fruit/veg or chew xylitol gum to stimulate saliva and wash food away.
Whitman suggests serving snacks in a bowl, adding an apple/carrot after crackers, or using xylitol gum while out.

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For decades, traditional dentistry has treated dental cavities through strategies like placing fillings to replace the damaged tooth structure. But today, thanks to the advent of functional dentistry, science shows that early-stage cavities can be reversed through lifestyle, hygiene, and remineralization strategies. Today, you’re going to learn about proven strategies for stopping and reversing tooth decay.

Today’s guest, Dr. Staci Whitman is a board-certified dentist and the founder of the first Functional Pediatric Dental Practice in the United States. She is passionate about using root-cause principles to help patients of all ages prevent and treat dental issues. On this episode, Dr. Whitman is sharing the science behind the oral microbiome and real, science-backed strategies for reversing cavities.

In this conversation, you’re going to learn about the relationship between dental health and metabolic health, what your oral microbiome needs to thrive, and how your diet affects the health of your teeth and gums. You’re also going to learn about healing cavities, how to improve the look of your smile, and so much more. Dr. Whitman is a true expert and pioneer in the field of functional dentistry, and I know you’re going to love hearing her insights on this episode of The Model Health Show!

In this episode you’ll discover:

What the most common chronic disease is. (3:05)
Why there is a separation between dentistry and medicine. (4:07)
What cavities actually are and how they occur. (6:44)
The main enemy of preventable dental diseases. (9:32)
Why cavities are a metabolic disease. (13:21)
How your breathing impacts your dental health. (17:14)
Realistic strategies for preventing cavities in children. (30:42)
The role your saliva plays in remineralizing your teeth. (35:52)
What hydroxyapatite is. (38:20)
The importance of flossing for cavity prevention. (39:52)
How Dr. Whitman’s stance on fluoride has evolved over her career. (44:08)
What gum inflammation can tell you about your overall health. (58:36)
The importance of having strong, resilient gums. (1:03:41)
Natural strategies for whitening your teeth. (1:09:41)

Items mentioned in this episode include:

Organifi.com/Model - Use the coupon code MODEL for 20% off + free shipping!
Piquelife.com/model - Get exclusive savings on Pique’s premium teas, fasting blends, and wellness bundles when you subscribe!
Breath by James Nestor - Learn how your breathing impacts your health.
The Institute for Functional Dentistry - Learn more about functional dentistry.
Connect with Dr. Staci Whitman Website / Newsletter / Instagram

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This episode of The Model Health Show is brought to you by Organifi and Pique.

Organifi makes nutrition easy and delicious for everyone. Take 20% off your order with the code MODEL at organifi.com/model.

Go to Piquelife.com/model for exclusive savings on bundles & subscriptions on cutting-edge solutions for your head-to-toe health and beauty transformation.