If you’ve brushed your teeth at any point over the last few decades, you’ve definitely heard of fluoride. But just like in every other field, dentistry evolves – and today, fluoride is quietly being replaced by nano-hydroxyapatite (nHA). The name sounds complex, but the idea is simple: it’s a smarter, more advanced way to strengthen tooth enamel.
In this article, we’ll explore what nHA actually is, why particle size matters, how it differs from fluoride, and what to look for when choosing a toothpaste. And finally – why Davids Hydroxi™ formula is more than just a pretty label on the tube.
What is hydroxyapatite and why “nano”?
In short, hydroxyapatite (HA) is a natural form of calcium phosphate that makes up about 97% of our tooth enamel and around 70% of our bones. It’s essentially the “building material” of our teeth. Nano-hydroxyapatite (nHA) is the same substance, just broken down into ultra-small particles.
Why does that matter? Because nano-sized particles can reach deeper layers of enamel, fill microscopic cracks, and seal exposed dentin tubules (the tiny channels responsible for tooth sensitivity). In other words, nano-hydroxyapatite doesn’t just coat your teeth – it actually helps repair them.
A small (and pleasant) bonus: nHA doesn’t rely on the calcium and phosphate naturally present in your saliva – it brings its own, meaning it remains effective even if your mouth tends to be dry.
What about fluoride? Is it bad?
Fluoride does help reduce cavities – no dentist would deny that, but its effectiveness has limits:
- Dependence on saliva composition. Fluoride forms fluorapatite using minerals found in your saliva. If calcium or phosphate levels are low, its effect is weaker.
- Dosage matters. Too little provides no benefit, while too much can be risky (for example, dental fluorosis during childhood). In daily life, it’s not always easy to know how much fluoride you’re getting in total – from water, toothpaste, mouthwash, and other sources.
- Surface-level action. Fluoride mainly hardens the surface, while nano-hydroxyapatite integrates directly into the enamel structure itself.
Why is nano better than micro?
Not all hydroxyapatite toothpastes are created equal. The difference that truly determines effectiveness is particle size:
- nHA (nano) – particles around ~50 nm in size penetrate the enamel, fill microscopic pores, quickly reduce sensitivity, and strengthen the structure from within.
- mHA (micro) – larger particles remain on the surface, resulting in shallower remineralization and less effective sensitivity relief.
So why choose nano-hydroxyapatite (nHA)?
- Remineralizes enamel. Restores the mineral balance exactly where it’s needed, rather than just coating the surface.
- Reduces sensitivity. Seals dentin tubules, preventing heat, cold, or acids from reaching the nerve.
- Whiter teeth. A smoother enamel surface reflects light more evenly, making teeth appear naturally whiter: without abrasive polishing.
- Works independently of saliva. A huge advantage for those with dry mouth.
- Biocompatible. It’s a naturally occurring material in the body, so there’s no risk of overdose or irritation.
Why Davids Hydroxi™?
Hydroxi™ is Davids proprietary nano-hydroxyapatite (nHA) formula designed not only around the nano particles themselves, but also the natural and naturally derived ingredients that support them. Together, they:
- Maintain an optimal pH for better remineralization,
- Help retain and stimulate saliva (e.g., xylitol, glycerin),
- Polish and fight plaque (e.g., baking soda),
- Provide long-lasting freshness (premium mint oils).
Most importantly – it works.
Independent studies show a significant reduction in open dentin tubules within just 5 days of regular brushing with Hydroxi™ toothpaste. That means reduced sensitivity and stronger enamel – not “someday,” but within days.
Who is this toothpaste best for?
- For sensitive teeth. If hot or cold foods cause discomfort, toothpaste with nHA can help reduce sensitivity and strengthen enamel.
- After whitening or professional cleaning. The enamel surface is temporarily more exposed – effective remineralization is essential.
- For dry mouth (xerostomia). Because nHA works independently of saliva minerals.
- For children and during pregnancy. nHA has no known overdose risk with typical daily use. Still, follow age recommendations – and don’t treat it like dessert. :)
- For those avoiding fluoride. No compromises – you still get full protection and enamel restoration.
If you’re searching for “fluoride free toothpaste,” “nano hydroxyapatite,” “hydroxyapatite,” “enamel remineralization,” or “tooth sensitivity relief” – you’re in the right place.
Davids Hydroxi™ delivers premium ingredients for the best possible results.
And finally…
For decades, fluoride has been the gold standard in oral care – proven, familiar, but a little outdated. Today, we have an alternative based on what our enamel is actually made of – nano hydroxyapatite (nHA). It’s a breakthrough ingredient that not only protects but also restores enamel, reduces sensitivity, and strengthens teeth from within.
Davids Hydroxi™ represents a new generation of fluoride-free toothpaste – where advanced science meets naturally derived ingredients. It’s designed not for lab reports, but for everyday use – when you want results you can truly feel and see.
If you’re aiming for stronger enamel, reduced sensitivity, and a cleaner, smoother feel, all without compromise – it’s time to switch to a toothpaste with nano hydroxyapatite.
Try Davids Hydroxi™ at yosmile.lt – exceptional care for everyday smiles.