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Hi, I am here to help you,
Sometimes, for an array of reasons, a patient may start with tooth grinding or clenching at night
it is called bruxism
This are uncontrolled movements
the can get worse during periods of stress, for example
if you have been grinding and a few nights ago got your tongue accidentally
bled and got slightly swollen
it is even easier to get it again afterwards
If this is what is happening, I would recommend to go to your dentist and
if there are any fillings or teeth that have "sharper" areas, they can be smoothed
and he can also build you a night guard that you can use over your teeth
to help you too
I hope this helps you!