Exam needed: The list of possibilities is too large to even enter with the limited space on this type of forum. Besides, merely giving a list of possibilities will not help you know what they are, why they are there, and what you can do about them. Please have your father see a dentist for a thorough exam. It would be especially helpful if he goes when those sores are present.
Answered 3/22/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
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