Evidence supporting the use of: Oak
For the body system: Gums

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Synopsis

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

Oak (Quercus species), particularly the bark, has a long history of traditional use in supporting oral health, including the gums. In European herbal medicine, oak bark decoctions or infusions have been used as mouthwashes or gargles to help with gum inflammation, bleeding gums, and oral ulcers. The efficacy is attributed to the high tannin content in oak bark, which imparts astringent properties that can help tighten and tone gum tissue, potentially reducing minor bleeding and inflammation. Historical pharmacopeias and folk remedies frequently list oak bark for oral care, especially in the context of mild gingivitis or as an adjunct to oral hygiene in the absence of modern dental care.

However, there is limited modern clinical research specifically validating the use of oak (unspecified species) for gum health. Most evidence is anecdotal or based on traditional practices, and current dental recommendations favor proven interventions like regular brushing, flossing, and professional cleanings. While in vitro studies sometimes confirm the antimicrobial and astringent properties of oak extracts, these do not directly translate to clinical efficacy for gum health. Therefore, while the traditional use is well documented, the scientific evidence for efficacy is weak to moderate, meriting a rating of 2.

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