Nothing you can do to fix smile after poorly placed Botox for bruxism
Without a picture it is difficult to tell what exactly is the problem but my guess is that the risorius muscle was hit with the injections. Either the injection was too anterior or the Botox migrated and hit it. I have not heard of anyone mixing Botox with lidocaine and I don't think its a good idea. Lidocaine is acidic and can partially inactivate the Botox. I'd seek another injector in the future. Everything should return to normal in about 3-4 months. Facial Plastic Surgeon, Dr. Steve Weiner, Destin, Florida.
Crooked Smile after botox injection
The first episode of frozen feeling was due to the effect of the anesthesia, but the latter which becomes in effect a few days after the injection was due to the Botox that started its action. Usually, this will only last for a month though some may take longer.