Good evening sir Sir sometimes you can have mouth ulcers because of stress, since your 18 years old it's most likely to be because of exam stress r emotional stress, the other reason might be because of eating hot food which has caused ulcer or if you have any tooth infected to find out reason please visit dentist near you

Hello...for relief you could apply dologel...also salt water gargling...visit your dentist to rule out the reason for ulcer....

You can apply dentogel , and take becosules, the stress factor also should be reduced

Visit your nearest dentist to know the exact cause of ulcer....For temporary relief, you can apply Dologel CT gel 3-4 times daily...

You should visit a dentist nearby to find out the cause for the ulcer. Till then you can apply dologel gel on the ulceration for relief.