The anatomy of the perioral region was recently voted to be one of the most difficult facial regions to treat with toxins. In this video, Prof. Cotofana uses a detailed layer-by-layer dissection technique to show the anatomy of the DAO and of the DLI and demonstrates the respective injection techniques, the potentially resulting adverse events, and focuses on how to see and to avoid adverse events.
“The DLI has a direct connection to the platysma and is located deep to the DAO”
-Prof Cotofana
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