Salvadora persica
Middle Eastern and African tree whose root twigs (miswak) are chewed for oral hygiene — Prophetic medicine and WHO-endorsed for dental health. Contains benzyl isothiocyanate, salvadourea, and fluoride. Clinical evidence supports anti-plaque and anti-gingivitis effects.
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None significant for oral use.
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Very well tolerated. Mild taste. Long history of safe use.
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