The Oral Microbiome — Why What's Living In Your Mouth Is Affecting Your Whole Body | Dr Daniel Sutcliffe

We're spending billions on supplements, gut health, longevity tracking and biological age testing. And yet one of the most powerful windows into our overall health — one that's been right there the whole time — is something most of us think about for a few minutes a day. The mouth.

In this episode of The Health Review I sit down with Dr Daniel Sutcliffe — founder of The Bespoke Dentist, one of London's leading holistic and biological dental practices, and one of a growing number of clinicians making the case that the mouth and the body are not separate systems. The oral microbiome, gum disease, how we breathe, the position of our jaw, whether our wisdom teeth are impacted — all of it connects to our cardiovascular health, our gut, our sleep, our cognitive function and potentially even our future risk of dementia.

As Daniel puts it — medicine and dentistry used to be married. Now they're divorced.

We cover:

What biological and holistic dentistry actually means — and why every dentist could be practising it The mouth as the front door to the gut — why 45% of gut bacteria is fed from the mouth The oral microbiome — the second largest biome in the body and what we're doing to it every day without realising Why aggressive mouthwashes are the oral equivalent of spraying weed killer on your garden The dementia link — P. gingivalis DNA found in 90% of Alzheimer's brains in one study and what that means The two-way relationship between gum disease and diabetes — and why treating one affects the other Fluoride — why Daniel doesn't use it and what hydroxyapatite toothpaste actually does instead Amalgam fillings — the safe removal protocol and why most dentists are still drilling straight through Sleep apnoea and snoring — how what's happening in your mouth and airway connects to cardiovascular health, cognitive function and energy levels Wisdom teeth — when to remove them, when to leave them and the nerve damage risk nobody tells you about Mouth breathing versus nasal breathing — and the wonder molecule nitric oxide that nasal breathing delivers Tongue scraping — why Daniel is massively for it and what it's doing for your oral microbiome Why looking after your mouth could be the single most effective thing you do for the rest of your body

About Dr Daniel Sutcliffe: Dr Daniel Sutcliffe is the founder of The Bespoke Dentist on Harley Street and UK mentor for the International Academy of Oral Medicine and Toxicology. He specialises in biological dentistry, safe amalgam removal, sleep apnoea treatment and the oral-systemic health connection. His book Heal Your Mouth, Heal Your Body is due for publication in February 2027.

This episode is for educational purposes only and does not constitute medical advice. Always consult your own clinician before making changes to your health.

Topics: biological dentistry | holistic dentistry | oral microbiome | gum disease and dementia | oral health and gut health | fluoride alternatives | hydroxyapatite toothpaste | amalgam removal | safe amalgam removal | sleep apnoea treatment | snoring and health | mouth breathing | nasal breathing | nitric oxide | wisdom teeth | tongue scraping | oral health and diabetes | oral health and heart disease | P gingivalis | Dr Daniel Sutcliffe | Bespoke Dentist | IAOMT | mouth body connection | dental health UK | oral probiotics | waterpik | flossing

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