Mouth ulcers can be due to many reasons. To give solution, need to evaluate ,why it's happening.
To relieve pain you can apply dologel, dentogel ,mucopain.
Next Steps
whenever,ulcers appear,see oral medicine expert. Try to notice when, how and how many are occurring.
Health Tips
If you know the cause, you can prevent it.
supplements help, but they are not the only solutions.
N no. of treatment solutions available.. depending upon intensity of pain further treatment can be planned