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Hi there ...
This often happens when there is soft tissue swelling of tongue or soft tissue in mouth .
If this happens then one should use saline gargles regularly for week , this will reduce swelling and help to overcome your issue .
Positive feedback will be appreciated .
As I mentioned anything that will cause soft tissue swelling will cause , such issues and overcrowded / misaligned teeth could be the reason .
Mouth Guard may be helpful temporarily but this is not definite or proven treatment .
So saline gargles will be helpful .
Good luck .
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