Synopsis

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

Geranium (commonly Pelargonium species, especially Pelargonium graveolens or rose geranium) has a long-standing history in traditional medicine, particularly for its astringent, anti-inflammatory, and antimicrobial properties. In traditional herbal practice, geranium has been used as a mouthwash or topical rinse to help soothe inflamed gums and manage oral infections, including gingivitis. This use is based primarily on empirical knowledge and the astringent effects of plant tannins, which can help tighten mucosal tissue and reduce bleeding.

Scientific validation for geranium’s efficacy in treating gingivitis is limited. Some in vitro studies have demonstrated that geranium essential oil exhibits antibacterial activity against oral pathogens implicated in gingivitis, such as Porphyromonas gingivalis and Streptococcus mutans. However, clinical evidence—randomized controlled trials or systematic reviews—directly supporting geranium as a treatment for gingivitis in humans is lacking. Most available data are preliminary and do not establish safety or efficacy for this specific use.

In summary, while there is some scientific rationale for its antimicrobial action, the primary justification for geranium’s use in gingivitis remains traditional, supported by a modest amount of laboratory research (evidence level 2/5). More rigorous clinical studies are required to confirm its benefits and establish dosing guidelines for oral use.

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