Which natural element is used by Native Americans for treating mouth sores?

Dried raspberry leaves have historically been utilized by Native Americans as a natural remedy for various ailments, including mouth sores. These leaves possess anti-inflammatory and astringent properties, which may help in healing and soothing irritated tissues in the mouth. The traditional use of plant materials for medicinal purposes among indigenous peoples reflects a deep understanding of local flora and its healing properties. While other options might have their own benefits, dried raspberry leaves specifically have documented use in addressing oral health issues within Native American healing practices.