White patches can occur on the bite line and can be normal. There are other conditions like leukoplakia which have yo be monitored by a doctor for changes on its surface. There can be other conditions like fungal infections too. Rarely cancer also presents with white patches.
Please see a doctor for an examination and needful. Vitamins will not help in most cases.
Hope you found this useful.
Next Steps
see an ENT surgeon
Answered2017-10-01 02:50:52
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