Ultrasound-Guided Botulinum Neurotoxin Type A Injection for Correcting Asymmetrical Smiles

MeSH terms

• Adult
• Botulinum Toxins, Type A / administration & dosage*
• Cosmetic Techniques*
• Facial Muscles / diagnostic imaging
• Facial Muscles / drug effects*
• Facial Muscles / innervation
• Female
• Humans
• Injections, Intramuscular / methods
• Neuromuscular Agents / administration & dosage*
• Smiling*
• Treatment Outcome
• Ultrasonography, Interventional / methods