Can smectite powder treat oral ulcers?

At present, there is no research showing that montmorillonite powder can treat oral ulcer, that is, montmorillonite powder has not yet had the effect of treating oral ulcer. Generally, the powder for treating ulcer includes compound cortical powder, Zhuhuang powder, Bingpeng powder, Yangyin Shengji powder, watermelon cream, etc., which can be locally applied to the ulcer damaged area 3 to 4 times a day. Some ointments or gels, such as triamcinolone acetonide, can also be applied to the ulcer surface. Some film agents, such as aureomycin, chlorhexidine, Corticosteroids and other medicinal films applied to the affected area can also promote ulcer healing.