Synopsis

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

Pungent compounds—such as those found in spices like ginger, garlic, chili peppers (capsaicin), and clove—have a long history of traditional use for oral health conditions, including canker sores (aphthous ulcers). Folk medicine systems across various cultures have used these compounds, often in the form of topical applications, mouth rinses, or direct placement, to alleviate pain and promote healing. The rationale is often attributed to their antimicrobial, anti-inflammatory, and analgesic properties. For example, clove oil contains eugenol, which has numbing effects, while capsaicin from chili peppers can desensitize nerve endings and reduce pain perception after repeated exposure.

Despite the long-standing traditional use, scientific evidence supporting the effectiveness of most pungent compounds for canker sores is limited and generally of low quality. Small studies and anecdotal reports suggest some benefit, particularly in pain relief, but rigorous clinical trials are lacking. Some compounds may also cause irritation or discomfort when applied to ulcerated tissue. Overall, while traditional evidence exists for the use of pungent compounds in canker sore care, scientific validation is modest, and their use should be approached with caution due to potential side effects.

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Other ingredients used for Canker Sores

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