I heard that injection of Botox to jaw muscles may cause facial paralysis. really?

There is little chance of facial nerve paralysis when injecting Botox into the jaw muscle, but it can occur rarely.

This is because branches of facial nerve are traveling the area near the jaw muscle injection.

If it happens, the left and right difference of facial expressions will appear. Even if paralysis occurs, it will fully recover in the future.

For more details, please visit this page. Thank you.

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