Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Frankincense (Boswellia serrata) has traditional roots in oral care, particularly in Middle Eastern cultures, but there is also emerging scientific evidence supporting its use in managing gingivitis. Several studies have examined frankincense extracts—especially Boswellia serrata gum resin—for their anti-inflammatory and antimicrobial properties. In clinical trials, mouthwashes or gels containing Boswellia extracts have been shown to reduce gingival inflammation, bleeding, and plaque scores compared to placebo or standard treatments.

The mechanism is thought to involve boswellic acids, which inhibit pro-inflammatory enzymes such as 5-lipoxygenase, thereby reducing inflammatory mediators in gum tissue. Furthermore, in vitro studies have demonstrated that frankincense extracts can inhibit the growth of oral pathogens associated with gingivitis, including Streptococcus mutans and Porphyromonas gingivalis.

However, while these results are promising, the number and size of clinical trials remain limited, and most studies have relatively short follow-up periods. Thus, while scientific evidence exists, it is not yet robust or conclusive, and frankincense should be considered an adjunct rather than a primary therapy for gingivitis. Further large-scale, high-quality randomized controlled trials are needed to confirm its efficacy and safety.

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