Is nerve damage from PDO threads permanent? (Photos)

I had PDO threads placed in my lips 5 days ago. On day 3 the bottom left thread came out. Today is day 5 and it is the first I'm noticing the uneven smile. Is this because the thread is missing on that side or did some nerve damage occur? If so, is it permanent? Today I noticed I can't turn down one side of my mouth. Is this permanent nerve damage?

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