Evidence supporting the use of: Gambir
For the body system: Teeth

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Gambir (Uncaria gambir) has a long history of traditional use in Southeast Asian medicine, particularly in Indonesia and Malaysia, where it is often applied for oral health, including supporting the teeth and gums. Traditionally, gambir extract is used as an astringent and is chewed with betel nut, reportedly to strengthen gums, protect teeth, and prevent oral discomfort. Its application in traditional medicine is largely based on its tannin content, which is known for its astringent properties that can help tighten tissues and may have mild antibacterial effects. However, scientific validation for its specific benefits on dental health is limited. Some in vitro studies suggest that the polyphenols and catechins in gambir may inhibit the growth of certain oral bacteria, which could theoretically reduce dental plaque and prevent cavities, but robust clinical trials in humans are lacking. No major dental or medical organizations endorse gambir for oral health, and there have been few controlled studies to confirm the traditional claims. Therefore, while its use for teeth is well-established in folk practice, the scientific evidence supporting its effectiveness remains preliminary and inconclusive.

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