According to this article https://dentaldorks.com/ hydrogen -peroxide-for-teeth/ if you use hydrogen peroxide intended for oral use as...
3 Answers · Health · 02/10/2019
It could be a sensitivity to something you are eating, like citrus. Do some experimenting with your diet. You might also rinse your mouth with a saltwater solution, or a hydrogen peroxide solution (not full strength).
2 Answers · Health · 05/06/2020