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

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Synopsis

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

Oak bark (Quercus robur and related species) has a long history of traditional use in European herbal medicine, particularly for oral and gum health. The bark is rich in tannins, compounds known for their astringent and anti-inflammatory properties. Historically, oak bark decoctions and mouthwashes have been applied to gums to reduce inflammation, bleeding, and to promote tissue tightening. Several authoritative herbal texts from the 19th and early 20th centuries reference its use for gingivitis, mouth ulcers, and as a general oral rinse.

Scientific research on oak bark specifically for gum health is limited. While in vitro studies indicate that oak bark extracts possess antimicrobial and astringent effects, there are few, if any, clinical trials assessing its efficacy for gum diseases such as gingivitis or periodontitis. The evidence that does exist primarily supports its ability to inhibit bacterial growth and reduce inflammation, which are relevant to gum health, but this has not been robustly demonstrated in human studies.

In summary, the use of oak bark to support gum health is primarily justified by traditional usage rather than strong scientific validation. Its astringent and mild antimicrobial properties lend some plausibility to its traditional applications, but high-quality clinical research is lacking.

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