Join the Mouth Health Natters podcast, on its quest for whole-body health and wellness! Grab a cup of tea, relax and learn with Dr David how oral health impacts your immune system, sleep, energy, inflammation & much more (& what you can do about it with holistic approaches). Dr David also interviews health experts about their expertise in prevention and management of chronic health conditions.
Mouth Health Natters
Claim This Podcastby Dr David Cowhig
55 episodes
Updated Weekly
Accepts GuestsHas SponsorsLocation 🇦🇺
17
Podcast Authority
BetaPoorBased on show quality, social media presence, reviews, charts, and more
Quality22
Social0
YouTube0
Engagement30
Podcast Overview
Join the Mouth Health Natters podcast, on its quest for whole-body health and wellness! Grab a cup of tea, relax and learn with Dr David how oral health impacts your immune system, sleep, energy, inflammation & much more (& what you can do about it with holistic approaches). Dr David also interviews health experts about their expertise in prevention and management of chronic health conditions.
Language
🇺🇲
Publishing Since
10/10/2020
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17
Podcast Authority
BetaPoorBased on show quality, social media presence, reviews, charts, and more
Quality22
Social0
YouTube0
Engagement30
6
Excellent Areas
0
Good Performance
13
Growth Opportunities
excellent
Episode Length
6 minutes
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poor
Publishing Consistency
Every 33 days
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Recent Episodes
May 20, 2026
Why the Way You Breathe Is Quietly Shaping Your Teeth
<p>“Do you breathe through your mouth at night?” It is not the question most patients expect from their dentist. But for Dr David Cowhig, it is often the most revealing one, particularly when worn front teeth, gum disease, or unexplained decay are sitting in the chair in front of him. In a recent Mouth Health Natters conversation with Alana Inwood, certified Buteyko practitioner and founder of Breathscape, the discussion kept returning to one idea that rarely gets enough attention: the airway is where dental health and whole-body health meet.</p><p>The Mouth Was Never Designed for Breathing</p><p>When air enters through the mouth rather than the nose, the mouth dries out. Saliva depends on moisture to do its job — maintaining a stable pH and protecting against harmful bacteria. Without it, that balance shifts. As the oral environment becomes more acidic, the bacterial strains associated with gum disease and tooth decay find more favourable conditions to thrive. There is also a structural dimension that is easy to overlook. As Alana Inwood explains, one of the tongue’s jobs is to press up against the palate — and it is that repeated pressure during development that encourages the upper arch to grow broadly. When breathing shifts to the mouth, the tongue drops and sits against the lower teeth instead. The upper arch narrows, the lower jaw adapts to fit, and crowding follows. </p><p>What Happens When the Jaw Compensates</p><p>The consequences do not stop at the gums. Patients who struggle to breathe through the nose during sleep often present with flattened or chipped front teeth, a forward head tilt, and visible neck and shoulder muscle tension. The body, in its effort to open the airway during sleep, pushes the jaw forward, and the front teeth wear flat and begin to chip. This is also why nasal breathing matters directly to implant patients. Mouth breathing increases the likelihood of nocturnal clenching, which elevates the risk of implant failure. For Dr Cowhig, establishing adequate nasal airflow before any significant dental procedure is not an optional extra — it is part of the foundation. Nasal breathing also produces nitric oxide, a gas that triggers vasodilation (relaxing and widening blood vessels) and supports the body's natural regulation of inflammation. Bypassing the nose means bypassing this mechanism entirely.</p><p>Where to Begin — and What to Expect</p><p>Alana Inwood uses a baseline assessment called the Control Pause to establish where a patient’s breathing currently sits. The method is straightforward: after a relaxed exhale, the breath is held until the first definite urge to breathe. The result, measured in seconds, offers a useful indicator of carbon dioxide tolerance — a factor that underlies how efficiently oxygen is delivered to tissues. Under 20 seconds suggests meaningful room for improvement; under 10 is not uncommon in people with anxiety, chronic fatigue, or disrupted sleep. For those wanting to begin without clinical supervision, the most practical entry point is simply noticing. Lips sealed during a walk. Nose breathing is maintained during gentle movement. The first few days often feel effortful — slightly restricted, a little uncomfortable. That sensation is normal, and it tends to ease within a week as the body adapts. </p><p>Building the Habit</p><p>Breathing patterns do not live only in exercise. Alana assesses breathing across the full 24-hour cycle — the commute, desk hours, wind-down, and sleep. A useful anchor is any activity that is already habitual: a lunch break walk, the first few minutes at a desk in the morning. Lips closed, exhalation slightly longer than the inhalation. Done consistently, the pattern begins to feel less like a technique and more like a default. For anxious breathers, Alana Inwood recommends humming as a gentler entry point. The vibration stimulates the vagus nerve, and she notes it increases nasal nitric oxide production by around 70%.</p><p><br></p>
September 22, 2025
Ozonated Glycerin: Gentle, Effective Dental Healing
<p>Think oxygen, but smarter: ozonated glycerin transforms ozone’s fleeting nature into a pleasant, shelf-stable, blendable medium that controls harmful microbes while gently cueing tissues to heal—a hormetic nudge—without chlorhexidine’s staining downside. It’s oxygen intelligence in a jar—dependable for the practice, kind for everyday care. Whilst many practices still rely on conventional antiseptics, clinics at the forefront of holistic care are adopting gentler, microbiome-aware solutions. On Mouth Health Natters, Dr David Cowhig and Simply O3’s Micah Lowe map out the science, safety, and real-world applications in biological dentistry.</p><p><br /></p><p>The science of ozonated glycerin’s stability and healing</p><p>Ozone is powerful but fleeting—as a gas, it loses its strength quickly, which limits its effectiveness in the mouth. Ozonated glycerin “holds” ozone’s benefits by forming stable peroxides and related compounds that persist far longer than gas and release single oxygen atoms over time—creating a gentle hormetic cue in tissues. Think of it as a slow-release form of oxygen care. In practice, most clinicians use a conservative 90-day potency window for ozonated glycerin, while a Japanese organisation reports multi-year stability using advanced testing—promising, but not yet widely published. This steady delivery creates a mild, short-lived oxidative nudge—much like the healthy stress of exercise. The result is twofold: fewer troublesome microbes and a prompt for the body’s own repair pathways, including growth factors and balanced immune signalling.</p><p><br /></p><p>Revolutionising Treatment Approaches</p><p>In progressive dental practices, ozonated glycerin is opening practical options across care pathways. After a tooth is removed, dentists who already use ozone—such as ozonated water or saline irrigation—together with platelet-rich fibrin, can add a thin layer of ozonated glycerin to continue oxygen support and help keep the area clean as it heals. At Dental Wellness, the hygiene department’s biofilm therapy (for example, warm water, air, and erythritol via AirFlow) can be complemented by targeted use of ozonated glycerin in deeper niches and around implants—especially near the neck (the region at the gumline where the implant/abutment emerges), where tissues can be more reactive. For home care, patients commonly use ozonated water with a water flosser, as a mouthwash, or as a spray for appliances. Ozone’s broad antimicrobial profile (antibacterial, antifungal, and antiparasitic) helps keep devices fresh between visits. Within the practice, ozonated glycerin is applied selectively to support these goals.</p><p><br /></p><p>Envisioning Tomorrow’s Dental Care</p><p>The practical implications are likely to extend beyond individual procedures. As evidence accumulates, ozonated glycerin could become a standard, microbiome-aware alternative to conventional antiseptics in biological dental practices—especially when dentists seek antimicrobial assistance that also supports local healing responses. Future-minded workflows may include in-practice production or local fresh-batching to ensure potency, rather than relying on products that may weaken with long shipping and storage. We’re already seeing different strengths for different roles (gentler for daily care, stronger for targeted use); over time, concentrations and delivery could be refined further to match clinical aims more precisely. Combined with better stability testing and sensible delivery formats, more patient-friendly products are plausible. Importantly, controlled data—from wound-care trials to dental studies—helps move adoption forward based on evidence and results, rather than merely on a treatment philosophy.</p><p><br /></p><p>Closing note and reader offer</p><p>Contact the Dental Wellness team to learn more about how ozonated glycerin can support your care. If you’re exploring products, use code davidc10 at simplyo3.com for 10% off.</p><p>Disclosure: davidc10 is an affiliate code that may support our educational work at no extra cost to you.</p>
July 24, 2025
When Chronic Dental Issues Persist Despite Antibiotics
<p>When patients walk into Dr David Cowhig's practice after multiple antibiotic courses for persistent gum disease or root canal infections, they're often frustrated and seeking answers. Having recommended black seed oil to his patients for several years with remarkable results, Dr Cowhig explored this further with Shakira Salahuddin, Business Development Manager of Hab Shifa Australia, in the latest Mouth Health Natters episode. This conversation revealed how an ancient remedy, documented over 3,000 years ago, addresses today's health concerns.</p><p><strong>Beyond the Antibiotic Cycle</strong></p><p>Many patients find themselves caught in cycles of antibiotic treatment for persistent dental issues. Those with autoimmune conditions find repeated antibiotic use problematic, while others seek to support their body's natural healing processes alongside conventional care. Dr Cowhig noted patients often have root canal infections troubling them for extended periods or gum problems that improve temporarily but keep returning. Black seed oil offers hope for patients seeking to boost immune systems and address underlying inflammation, aligning with Dr Cowhig's biological dentistry philosophy that supports the body's inherent wisdom.</p><p><strong>Nature's Unique Healing Compound</strong></p><p>Black seed oil contains over 100 naturally occurring constituents, but its primary active component is thymoquinone (TQ)—a unique compound found nowhere else in nature. This molecule delivers powerful antimicrobial, anti-inflammatory, and immune-boosting properties. Black seed oil can reduce lipopolysaccharides, toxic byproducts from harmful bacteria that contribute to oral and systemic inflammation. Hab Shifa's TGA-listed products offer options from standard strength to 5% concentration for intensive support. This ancient remedy works on multiple levels—supporting immune function, reducing inflammation, and improving sleep quality through antihistamine properties.</p><p><strong>Practical Applications</strong></p><p>Dr Cowhig recommends 5% strength capsules for patients with chronic issues needing to optimise their immune systems before treatment. He also suggests oil pulling with black seed oil, typically mixed with coconut oil for better taste. Daily use is safe and beneficial, with customers reporting improvements in sleep, skin health, and overall vitality. One compelling case involved a patient with persistent root canal pain experiencing significant improvement after three months of supplementation.</p><p><strong>Transforming Dental Care</strong></p><p>The discussion highlighted possibilities for integrating traditional remedies with modern dental techniques. Black seed oil fits perfectly with Dr Cowhig's ceramic implant procedures—both representing non-toxic, biocompatible approaches that support the body's systems rather than burden them.</p><p>This podcast illustrates the importance of examining traditional remedies through a modern scientific lens, serving as a bridge between ancient healing wisdom and contemporary dental wellness.</p>
55 total episodes available
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Frequently asked questions
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- What is Mouth Health Natters?
- How often does this podcast release new episodes?
This podcast updates weekly.
- Where can I listen to this podcast?
This podcast is available on 8 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
- Does this podcast accept guests?
No, this podcast does not typically feature guests.
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