How to Improve Your Teeth & Oral Microbiome for Brain & Body Health | Dr. Staci Whitman
Dr. Staci Whitman, DMD, a functional dentist, discusses how oral health impacts overall well-being, including brain, heart, and fertility. She reveals common oral care practices that harm the microbiome and offers science-backed protocols for preventing cavities, whitening teeth, and improving breath through diet, breathing, and specific hygiene methods.
Deep Dive Analysis
25 Topic Outline
Common Oral Care Products That Damage Oral Microbiome
Tooth Demineralization, Remineralization, and Fluoride's Role
Impact of Meal Frequency and Sugar on Cavities
Achieving Whiter Teeth and the Role of Hydroxyapatite
Antibiotics, Gut & Oral Microbiome, and Probiotic Use
Mouthwash, Alcohol, and Cardiovascular Risk
Importance of Saliva and Nasal Breathing for Oral Health
Facial Development, Airway Issues, and Mouth Breathing
Techniques for Shifting to Nasal Breathing
Chewing Gum, Mastic Gum, and Xylitol Benefits
Oral Microbiome's Link to Systemic Diseases (Heart, Brain, Fertility)
Ozone Therapy, Oil Pulling, and Mold's Oral Impact
Oral Health Effects of Nicotine Pouches and Coffee
Oral Microbiome Testing and Hydroxyapatite Toothpaste
History, Science, and Controversy of Water Fluoridation
Fluoride Levels, Neurocognitive Issues, and Global Practices
Oral Health and Female Hormonal Changes (Pregnancy, Menopause)
Toothbrushing, Flossing, Waterpik Techniques, and Timing
Dental Fluorosis, Hypoplastic Enamel, and Mineral Deficiencies
Burning Mouth, Geographic Tongue, and Nutritional Deficiencies
Tongue Tie, Chewing, and Speech Function
Red Light Therapy, Peptides, and Exosomes in Dentistry
Concerns with Mercury Fillings, Composites, and Sealants
Mental Health Challenges in the Dental Profession
Summary of Top Behavioral Tools for Oral Health
7 Key Concepts
Oral Microbiome
The community of bacteria, viruses, and fungi living in the mouth. It is crucial for overall health, and its balance can be easily disrupted by common oral care products, diet, and breathing habits, leading to systemic health issues.
Demineralization & Remineralization
Teeth constantly undergo demineralization (loss of minerals like calcium and phosphorus due to acidity) and remineralization (natural repair by saliva). Maintaining a balanced pH and sufficient breaks from eating allows saliva to restore minerals to the teeth.
Fluorapatite
A restructured form of tooth enamel created when fluoride replaces the hydroxyl group in hydroxyapatite. This new structure is generally considered stronger and more acid-resistant, which is why fluoride is used in toothpaste and water.
Leaky Gums
Similar to 'leaky gut,' this term describes inflammation and bleeding in the gums, which creates openings for oral bacteria to enter the bloodstream. These bacteria can then travel to other organ systems, causing inflammation and contributing to various systemic diseases.
Skeletal Fluorosis
A condition resulting from excessive fluoride intake where fluoride infiltrates and alters the mineral composition of bones, similar to how it affects teeth. This can lead to bone issues and is a concern related to cumulative fluoride exposure.
Dental Fluorosis
A condition caused by excessive fluoride exposure during tooth development, resulting in white spots, mottling, or even dark brown stains on the teeth. It indicates an over-ingestion of fluoride and is a sign of systemic fluoride overload.
Hypoplastic Enamel
Under-mineralized enamel that is chalky, mottled, or crumbling upon eruption. This condition is believed to be a silent epidemic in children, often linked to global mineral and vitamin D deficiencies, environmental toxins, and high fevers during tooth formation.
10 Questions Answered
Many common toothpastes and mouthwashes contain harsh ingredients like alcohol, astringents, foaming agents (e.g., sodium lauryl sulfate), and strong essential oils that damage the delicate oral microbiome and can lead to issues like oral ulcerations.
Teeth constantly undergo demineralization and remineralization. After eating, the mouth becomes acidic, causing mineral loss, but saliva naturally buffers the pH and provides minerals (calcium, phosphorus) to remineralize and repair small lesions, especially during periods of not eating.
Not directly; acid causes cavities. Sugar and fermentable carbohydrates (like flour) feed pathogenic bacteria in the mouth, which then release acid. If these food substrates remain on teeth for extended periods, the constant acidity leads to demineralization and cavity formation.
Yes, oral pathogens can enter the bloodstream through 'leaky gums' (inflamed, bleeding gums) and travel to distant organ systems. This can trigger immune responses, inflammation, and contribute to conditions like heart disease, stroke, Alzheimer's, dementia, fertility issues, and certain cancers.
Nasal breathing provides 20% more oxygen, helps maintain healthy saliva production, and supports proper facial and airway development. Mouth breathing dries out the mouth, lowers pH, increases cavity and gum disease risk, and can lead to sleep-disordered breathing and cognitive issues.
While fluoride can make teeth more acid-resistant topically, ingesting it through water raises concerns about cumulative systemic effects, including skeletal fluorosis, potential neurotoxicity (linked to lower IQ in children), and its impact on the gut microbiome as an antimicrobial.
In men, gum disease is linked to increased challenges with sperm motility and mobility. In women, gum disease can delay conception by about two months and is associated with issues like miscarriages, low birth weight, and preterm birth, likely due to inflammation and oral bacteria entering the bloodstream.
Brush gently with a soft toothbrush using circular movements, waiting 20-30 minutes after eating. Floss at least once a day, ideally at night, by gently scraping the sides of each tooth (a C-shape) to disrupt biofilm. Floss first, then brush, and avoid rinsing vigorously after brushing to allow toothpaste ingredients to remain on teeth.
White or dark spots can be signs of dental fluorosis, caused by excessive fluoride exposure during tooth development. Another cause is hypoplastic enamel, which is under-mineralized enamel that is more fragile and prone to decay, often linked to mineral and vitamin D deficiencies.
A tongue tie (ankyloglossia) is a band of tissue (frenum) tethering the tongue to the floor of the mouth. It should be addressed if it impairs function, such as breastfeeding, proper tongue elevation for facial development and nasal breathing, speech, or chewing and swallowing.
30 Actionable Insights
1. Prioritize Nasal Breathing
Actively practice nasal breathing over mouth breathing, as mouth breathing dries out the mouth, drops pH, reduces saliva, and increases the risk of cavities and gum disease. Nasal breathing also provides 20% more oxygen and supports brain function.
2. Adopt Whole-Food Diet
Consume a diet rich in high-quality protein, a wide array of vegetables (eating the rainbow), and limit ultra-processed foods. This approach feeds healthy oral bacteria, optimizes the oral microbiome, and is the primary defense against dental disease.
3. Practice Time-Restricted Eating
Eat meals on a schedule, ideally allowing about two hours between eating, and avoid constant snacking or grazing. This gives your saliva sufficient time (20-30 minutes after eating) to buffer acidity and remineralize teeth, combating dental decay.
4. Floss Daily, Especially Nighttime
Floss at least once a day, ideally at night before brushing, doing a C and backward C motion against the teeth. This removes food particles and disrupts biofilm between teeth, preventing cavities and stimulating gum tissue to reduce gum disease.
5. Brush Gently with Soft Toothbrush
Use a soft toothbrush with gentle circular movements when brushing your teeth. This technique cleans effectively without wearing away enamel, which can lead to sensitivity and gum recession.
6. Use Hydroxyapatite Toothpaste
Consider switching to a toothpaste containing hydroxyapatite, as it is biomimetic and provides the natural mineral teeth use to remineralize. This can lead to healthier, stronger, and whiter teeth.
7. Avoid Strong Mouthwashes
Do not habitually use strong, alcohol-containing mouthwashes, as they indiscriminately kill bacteria, including beneficial nitrate-reducing bacteria on the tongue. This can impair nitric oxide production, which is crucial for cardiovascular health, and potentially increase blood pressure.
8. Ensure Adequate Hydration & Minerals
Stay well-hydrated by drinking enough water, potentially with a pinch of salt or electrolytes, to maintain healthy, watery saliva. Optimal saliva is essential for remineralization, digestion, and overall oral health, as thick, ropey saliva indicates dehydration.
9. Consider Oral Microbiome Testing
If you want to optimize your health, consider testing your oral microbiome, ideally using shotgun metagenomics, to identify specific keystone pathogens. These pathogens can contribute to systemic issues like Alzheimer’s, heart disease, fertility problems, and certain cancers, allowing for targeted intervention.
10. Tongue Scrape Regularly
Incorporate tongue scraping into your oral hygiene routine to remove the film of anaerobic bacteria and biofilm from the tongue. This helps reduce dysbiosis, improve nitric oxide production, and enhance taste perception.
11. Wait Before Brushing After Eating
Wait 20-30 minutes after eating, drinking, or vomiting before brushing your teeth. This allows saliva to begin buffering the mouth’s acidity and remineralizing enamel, preventing bristles from damaging softened tooth surfaces.
12. Spit, Don’t Rinse After Brushing
After brushing your teeth, spit out the toothpaste but avoid vigorously rinsing your mouth with water. This allows beneficial toothpaste ingredients to remain on the teeth and in saliva for maximum efficacy and prolonged contact time.
13. Chew Food Evenly
Chew food equally on both sides of your mouth, allowing your tongue to move the food bolus from side to side. Uneven chewing can lead to muscle hypertrophy on one side, facial shifts (especially in children), and may indicate underlying issues like bite problems or tooth pain.
14. Investigate Chronic Bad Breath
If you experience chronic halitosis (bad breath), dig deeper to understand its root cause rather than just masking it with strong mints or mouthwashes. It could indicate underlying issues like periodontal disease, infection (sinus, tonsil), or a deeper gut imbalance.
15. Address Tongue Ties if Impairing Function
If a tongue tie (frenum) impairs function such as breastfeeding, speech, nasal breathing, or causes compensatory issues like neck or shoulder pain, consider a phrenectomy (tongue release procedure). This can improve tongue mobility, facial development, and alleviate related symptoms.
16. Myofunctional Therapy for Tongue Release
If undergoing a tongue release (phrenectomy), work with a myofunctional therapist both before and after the procedure. This therapy helps prepare oral muscles and facilitates proper function, optimizing the surgical outcome.
17. Consider Using a Water Pick
If you want to enhance your interproximal cleaning, consider using a water pick, especially if flossing alone is insufficient due to bone loss or difficulty. It can clean areas floss might miss and stimulate gum tissue.
18. Read Oral Health Product Labels
Start reading the ingredient labels on your oral health care products, just as you would with food labels, to understand what they contain and where they are sourced from. Many common ingredients can be disruptive to the oral microbiome and mucosa.
19. Avoid Foaming/Burning Toothpastes
Do not use toothpastes that foam or burn, as foaming agents like sodium lauryl sulfate can disrupt the oral mucosa and lead to ulcerations. Strong essential oils in some toothpastes can also damage healthy bacteria in the mouth.
20. Regular Dental Check-ups (Nicotine Use)
If you choose to use nicotine pouches, ensure you get regular dental check-ups. These products, due to their contact time and ingredients, can cause cellular changes, gum recession, or early decay, which a dentist can monitor.
21. Manage Coffee Consumption
If you consume coffee, counteract its drying effect with adequate hydration and maintain regular dental cleanings to address potential staining. Hydroxyapatite toothpaste and oil pulling can also help maintain tooth brightness.
22. Repopulate Microbiome After Antibiotics
After a course of antibiotics, take a high-quality probiotic (either a pill or an oral probiotic) and increase your intake of probiotic-rich fermented foods. This helps repopulate the gut and oral microbiome with healthy bacteria that may have been wiped out.
23. Assess Small Cavities with Functional Dentist
If you have small cavities or incipient lesions that haven’t yet formed a hole, consult with a functional or biological dentist. These early-stage cavities, if still in the enamel, can potentially remineralize naturally with appropriate guidance.
24. Be Aware of Fluoride in Water
Understand the rationale and potential risks of fluoride in drinking water, considering its systemic ingestion and cumulative effects on bones and neurocognitive development. If concerned, contact your local water bureau to inquire about fluoride levels.
25. Request Non-Mercury Fillings
When getting new dental fillings, request composite or ceramic-based biomimetic materials instead of mercury (amalgam) fillings. This avoids potential mercury exposure and utilizes materials generally considered safer.
26. Test Mercury Levels if Concerned
If you have existing mercury (amalgam) fillings and are concerned about potential toxicity, get a blood test to check your mercury levels. This provides data to guide discussions with your dental and medical team about whether removal or other interventions are necessary.
27. Consider Dental Sealants for Molars
Consider applying dental sealants to the grooves and fissures of molars, especially for children or individuals at high risk of cavities. Sealants effectively reduce cavity risk by creating a protective barrier against bacteria and food particles.
28. Celiac Patients: Check Retainer for Gluten
If you have celiac disease and use an acrylic retainer, be aware that some contain methyl methacrylate, which can have gluten. This could potentially cause gastrointestinal distress or skin rashes, so investigate if experiencing such symptoms.
29. Be Kind to Your Dentist
Practice kindness and understanding towards your dentist, as dentistry is a challenging profession with high rates of depression and anxiety, and dentists often face significant pressures and patient fears. If a dentist’s personality doesn’t resonate, seek a different provider.
30. Regularly Visit the Dentist
Do not avoid regular dental visits, as consistent professional care is crucial for maintaining optimal oral health. Despite any past negative experiences or fears, these visits help catch and address issues early.
7 Key Quotes
Unfortunately, we have been taught that we need to carpet bomb the mouth. We need to add astringents and alcohols and foaming agents and really strong essential oils to clean, disinfect, and to freshen the breath. But we're really, what we're doing with these products is damaging our delicate microbiome, which can make things far worse.
Dr. Staci Whitman
The mouth is the gateway into the body and the mouth is the gut. I want people to start thinking of it that way.
Dr. Staci Whitman
If I can make one suggestion to someone out there who might be struggling with cavities, I want to know not only what are you eating, but how frequently are you eating it? And this is a great reason why, from a dental standpoint, fasting, intermittent fasting, or, you know, time-restricted eating is a great way to combat dental decay.
Dr. Staci Whitman
Your saliva is this golden elixir of our body, and it contains immune cells and enzymes, but also the minerals that we should need, if balanced, to create that remineralization.
Dr. Staci Whitman
We swallow 2,000 times a day. And we know some of these bugs, these bacteria, they can live through the stomach acid and make their way down into the gut.
Dr. Staci Whitman
I mean, I think dentists tend to be too focused on teeth. And so you mentioned, like, if they say it's good for me, I'll do it. Well, good for what? Good for your teeth or good for your whole body or good for your brain?
Dr. Staci Whitman
I can fix a one quarter cavity in a tooth. I can't fix a developing brain. We have one shot to develop a brain. We have one shot to grow a face.
Dr. Staci Whitman
2 Protocols
Shifting to Nasal Breathing (3-Minute Test)
Dr. Staci Whitman- Screen for airway issues with an airway-focused dentist or ENT.
- Perform the '3-minute test': Put water in your mouth, tape your lips, or hold a piece of paper over your mouth and try to breathe solely through your nose for three minutes without panicking.
- If successful, begin mouth taping for short durations (e.g., 5 minutes while chopping vegetables, then 30 minutes while watching TV, then a whole movie).
- If comfortable with extended taping, apply mouth tape at night.
Oral Hygiene Routine for Optimal Health
Dr. Staci Whitman- Floss first, then brush, ideally at night.
- Use a soft toothbrush and gentle circular movements.
- Wait 20-30 minutes after eating or drinking before brushing to allow for remineralization.
- Spit after brushing but avoid vigorous rinsing to allow toothpaste ingredients to remain on teeth.
- Consider using a water pick for interproximal cleaning, especially as you age or if flossing is difficult.
- Incorporate tongue scraping to remove biofilm and improve taste perception.