What effect does propolis have on oral ulcer and periodontitis?

Propolis has a great feature in the treatment of oral diseases, that is, dropping propolis solution directly on ulcer or gingivitis can not only relieve pain quickly, but also form a thin propolis film immediately, which is not easy to be washed away by saliva and covers the affected area for several hours, thus playing a role in relieving pain, diminishing inflammation and sterilizing. Generally, after continuous medication, it can be cured in a short time. Propolis is made into a highly permeable "propolis aerosol", which can be used by gently spraying it on the mouth several times in the case of oral ulcer, gingivitis, periodontitis, toothache and sore throat, which is very convenient.