What is tooth enamel and why does it need daily protection?

Mar 13, 2026

Aninda Das

The hardest substance you own

Tooth enamel is the most highly mineralised substance in the human body. While it is tougher than your bones, it lacks the ability to heal itself. This unique combination of strength and vulnerability is why daily protection is critical.

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Why enamel cannot grow back

Unlike skin or muscle, tooth enamel has no living cells. Once acid or wear erodes it, your body cannot regenerate it. Protect what you have now to keep your smile healthy for years.

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How everyday acids soften your smile

Modern diets include acidic foods and drinks like fruits and coffee. These everyday acids can damage tooth enamel, making it more prone to cavities, yellowing and sensitivity.

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The invisible wear on your teeth

When mouth pH drops, minerals like calcium and phosphate leach from enamel. Frequent acid exposure weakens the tooth structure, leaving enamel thinner, fragile, and more translucent over time.

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How to harden your defence

To keep teeth strong, replace minerals lost each day. Remineralisation rebuilds enamel structure and hardens the surface, making it more resistant to future acid attacks.

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Active strengthening with Sensodyne Pronamel toothpaste

Sensodyne Pronamel is formulated to deliver minerals into the tooth surface. It helps re-harden and strengthen acid-weakened enamel, keeping teeth protected and resilient against daily dietary acids.

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Disclaimer

This article has been published on behalf of Haleon by Times Internet's Spotlight team.

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