Mouth ulcers are more likely to develop if you are run down or stressed. Badly fitting dentures or careless tooth brushing can also cause mouth ulcer. Rarely, a mouth ulcer may be due to cancer. Some women develop them before menstrual period.
Mouth ulcers are more likely to develop if you are run down or stressed. Badly fitting dentures or careless tooth brushing can also cause mouth ulcer. Rarely, a mouth ulcer may be due to cancer. Some women develop them before menstrual period.