Who has never dreamed of having whiter teeth without going through expensive or aggressive treatments? Between toothpastes that promise a dazzling smile, at-home whitening kits and dental care, the tooth whitening market is estimated, in 2026, to be worth more than $9 billion in a report. Fortune Business Insights. But behind these promises often lies a less reassuring reality: certain products can weaken enamel or make teeth more sensitive.
A new study, published in the scientific journal ACS Nanocould be a game-changer by paving the way for a new generation of at-home dental care.
A safer alternative to traditional whitening products
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Today, most whitening solutions use peroxide-based chemical agents. Although they effectively eliminate stains, they can also, in the long term, weaken the enamel due to their strong oxidizing action.
To avoid this side effect, researchers have developed an innovative powder that activates its whitening properties during brushing, thanks to vibrations of an electric toothbrush, a phenomenon physique called piezoelectric effect.
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As Min Xing, first author of the study, explains: “ This work offers a safe, at-home tooth whitening strategy, integrating whitening, enamel repair and microbiome balance for long-term oral health. »
The composition of material also plays a key role. Called BSCT, this powder ceramiccontains in particular calcium a you strontiumtwo minerals essential to tooth structure. In addition to whitening, these elements contribute to the remineralization of enamel and the repair of micro-damage.
The study presents an innovative discovery for teeth whitening. © Kegfire, Adobe Stock
Promising but still experimental results
The first laboratory tests show promising results. On human teeth stained by coffee and tea, researchers observed progressive whitening after several brushing sessions.
In total, after a cumulative brushing time equivalent to twelve hours, the treated teeth were up to 50% whiter than those of the control group which used a saline solution.
The did you know ?
We talk a lot about the intestinal microbiota, but the mouth also has its own microbiota. It is home to up to 700 species of bacteria that play an essential role in balancing oral health and protecting against certain infections.
The researchers also tested this powder on rats fed a diet high in sugar. After brushing for one minute a day for four weeks, they observed a decrease in certain bacteria associated with gum disease as well as a reduction in inflammation.
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However, researchers remain cautious. This powder is not yet commercially available and will need to be the subject of additional studies before being offered to the general public.
And even if these results remain to be confirmed by clinical trials in humans, this discovery opens interesting perspectives for safer dental care at home.
And you, would you be ready to test an effective solution, capable of whitening your teeth without the risk of weakening them?
