Tounge injury. ?

This happened this morning. Someone punched me in the face several times. I bit off a very very small piece of the skin on my tounge when this happened. I have been rinsing with salt water. It's extremely painful to even have that part of my tounge touching my teeth. Is there anything else I should be doing?

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Update: I feel I should add I was outside of my doctors when this happened so after speaking with police I did have my doctor look at me.
Tounge injury. ?
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