Synopsis

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

The blackboard tree (Alstonia scholaris) has a long history of use in traditional medicine systems such as Ayurveda and Traditional Chinese Medicine. In these traditions, various parts of the tree, particularly the bark, have been employed for their purported anti-inflammatory, antimicrobial, and astringent properties. Folk medicine in India and Southeast Asia occasionally recommends extracts or decoctions of the bark to treat oral ailments, including gingivitis (gum inflammation), mouth ulcers, and toothache. The rationale is that the antimicrobial compounds present in the bark may help reduce the bacterial load in the oral cavity, while anti-inflammatory constituents could soothe irritated gums.

From a scientific perspective, only limited studies have evaluated the efficacy of Alstonia scholaris for oral health. Some in vitro research has demonstrated that extracts from the plant exhibit antibacterial activity against oral pathogens such as Streptococcus mutans, a significant contributor to dental plaque and gingivitis. However, robust clinical trials in humans assessing its effectiveness specifically for gingivitis are lacking. Thus, the evidence primarily rests on traditional use and preliminary laboratory findings rather than well-established clinical proof. Caution is advised, as the safety profile for oral or prolonged use is not fully established. In summary, the use of blackboard tree for gingivitis is supported by traditional practices, with only modest scientific backing at present.

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