When getting Botox to the masseter muscle, which location affects smile?

January 1, 2023
Asked By:asian eyelid in Irvine, California

I have had botox for my jaw where it affected my smile. Is it because botox was injected too anterior from the masseter muscle towards the lips or is it from going too high above the masseter muscle? If it is the latter, how can you slim the muscles on the top of the jaw muscles near ear?

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