Synopsis

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

Mastic, a resin obtained from the Pistacia lentiscus tree, has a long history of use in traditional medicine, particularly in the Mediterranean region, for oral health and gum care. Recent scientific studies provide some validation for these uses. Research indicates that mastic possesses antimicrobial properties effective against oral pathogens, including Streptococcus mutans and Porphyromonas gingivalis, which are implicated in dental caries and periodontal (gum) diseases. A few clinical studies have observed that chewing mastic gum can reduce oral bacterial counts and improve certain markers of oral hygiene. For example, a randomized controlled trial published in Archives of Oral Biology (2007) found that regular use of mastic gum reduced plaque and mutans streptococci levels in saliva.

In addition to its antimicrobial effects, mastic is believed to have mild anti-inflammatory properties, which may further benefit gum health. However, while in vitro and small-scale human studies show promise, large, well-controlled clinical trials are lacking. The overall body of evidence supporting mastic’s role in gum health is moderate, with more robust research needed to fully confirm its efficacy and establish optimal usage. Thus, the use of mastic for supporting the gums is justified by both tradition and emerging scientific support, though the current evidence is not yet strong enough for unequivocal endorsement by dental associations.

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