Nervous habit: This sounds like a nervous habit. Can you replace the biting with chewing gum? Habit replacement is the best way to resolve one habit. Dry lips may play into this. Use a lip balm to keep them soft.
Answered 2/2/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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