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Summary
On episode 539 of 40+ Fitness, Coach Allan sits down with Dr. Kami Hoss, a San Diego-based orthodontist and dental facial orthopedist, founder of The Super Dentists, and author of If Your Mouth Could Talk: An In-Depth Guide to Oral Health and the Impact on Your Entire Life.
Kami argues the mouth is the opening to the body, so dental infections send bacteria and inflammation into the bloodstream where they can reach the heart, brain, and joints, and he traces the oral microbiome as the source of the gut microbiome most people only think about separately.
The conversation covers why common oral care products can do more harm than good, how a small mouth and jaw affect sleep and breathing, and which ingredients in toothpaste and mouthwash are worth using versus avoiding.
Links
- https://themouthbook.com
- https://thesuperdentists.com
- https://supermouth.com
Key Takeaways
- Oral health is directly tied to chronic disease. Dental infections let bacteria and toxins enter the bloodstream, causing inflammation that reaches the heart, brain, and joints, contributing to heart disease, Alzheimer's, cancer, diabetes, and pregnancy complications.
- The gut microbiome starts in the mouth. Every swallow seeds the gut with oral bacteria, so an unhealthy oral microbiome throws the whole digestive and immune system out of balance.
- Modern oral care often does more harm than good. Antibacterial mouthwashes that kill 99.99 percent of germs strip out good bacteria along with the bad, the mouth equivalent of taking antibiotics indefinitely.
- Toothpaste and mouthwash marketing tricks people into thinking they're working. Heavy foaming and strong mint flavor (often peppermint oil) create a false sense of cleanliness rather than actual effectiveness, and some ingredients can be toxic if swallowed.
- Mouth structure directly affects sleep. The upper jaw forms the floor of the nasal cavity, so a small mouth means a small airway; at night the tongue can block breathing, contributing to snoring, sleep apnea, and upper airway resistance syndrome (UARS).
- Fluoride works but comes with trade-offs. It strengthens enamel by forming fluorapatite, but it's federally regulated as a drug with toxicity warnings, so Hoss reserves it mainly for higher-risk patients and recommends nano-hydroxyapatite as a safer remineralizing option for most people, especially children.
- Not all sweeteners in oral care are equal. Sugar alcohols like xylitol and erythritol act as prebiotics that feed good oral bacteria and raise mouth pH, unlike cheaper options like sorbitol that bacteria can still ferment into cavity-causing acid.
- Childhood dental care shapes adult oral and airway health. Tongue ties, mouth breathing, and untreated pediatric issues can permanently affect jaw growth and airway size, so pediatric dental visits should start at birth.
- Dr. Kami Hoss's three strategies to get and stay well: eat healthy, exercise daily, and take care of your mouth, both from a microbial perspective and from a growth, development, and airway perspective.
“Your mouth is the opening to your body.”
Dr. Kami Hoss
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