Artificial Intelligence Analysis of Symmetry and Emotions in Facial Palsy Patients After Botulinum Toxin A Injections.

Toxins (Basel) · 2025 · PMC12737524 · PMID 41441632

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did not reach statistical significanceno p-value reported

While improvements at rest were less pronounced, a significant change in smile angle symmetry ( p = 0.024) was noted, and trends toward improved brow height and lower lip symmetry were observed, although they did not reach statistical significance.

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