Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin
Muscles for Facial Expressions
Skeletal Muscle Relaxants: Therapeutic Uses
Botulism
Assessment of the Mouth
Myasthenia Gravis: Overview and Treatment
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Updated: Jun 12, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
Published on: March 1, 2015
Antonio Gracco1, Stephen Tracey
1University of Ferrara, Italy. antoniogracco@gmail.com
Botulinium neurotoxin injections offer a temporary solution for excessive gingival display in patients avoiding surgery. This non-surgical approach provides an alternative for managing gummy smiles.
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