The vegetables that could change the way we brush our teeth

Health & Fitness
13 Aug 2025 • 10:07 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

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  • Scientists have identified a compound found in cruciferous vegetables that can significantly reduce the sticky film behind dental plaque.
  • The compound, 3,3′-Diindolylmethane (DIM), was found to eliminate over 90 per cent of the biofilm responsible for plaque and cavities.
  • DIM specifically targets the bacterium S. mutans, a key contributor to tooth decay, by inhibiting its biofilm formation by 92 per cent and reducing the glue that helps it stick to surfaces.
  • The study noted that DIM, which is also naturally formed when digesting vegetables like broccoli, cabbage and kale, has low toxicity and known anti-cancer properties.
  • Researchers suggest that DIM could be incorporated into toothpastes and mouthwashes to greatly improve dental hygiene and potentially reduce dental caries.

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