Cotofana Anatomy
Understanding and Avoiding Toxin-related Adverse Events: LLSAN Muscle

Understanding and Avoiding Toxin-related Adverse Events: LLSAN Muscle

Red background

Overview

Detailed anatomic landmarks are not available when it comes to addressing Gummy Smile leaving the injector community without proper guidance on how to best treat and on how to best avoid toxin-related adverse events. Nevertheless, anatomy can be a powerful guide when it comes to understanding the 2- and the 3-dimensional anatomy of the LLSAN muscle especially if adverse events must  be avoided. This video provides a comprehensive clinical and anatomic review of this specific muscle and of the injection site which empowers injectors toward safer procedures.

Treatment type: Neuromodulators

Facial region: Medial Midface

Approach: Clinical and Anatomic Review

Competency Level: Expert

Course duration: 8 minutes

Course type: Injection simulation on a human body donor performed by Prof. Sebastian Cotofana

Learning Objectives

  • Understand the 3D anatomy of the LLSAN.
  • Recognize potential adverse events from gummy smile treatments.
  • Apply safe injection techniques to minimize risk and improve outcomes.

FAQs

This course is designed for aesthetic practitioners, including MDs, RNs, PAs, and NPs, as well as medical students, residents, and any healthcare professionals.

black-graphic

Access the full
course library

Unlock the complete Cotofana Anatomy e-learning library with a monthly or annual membership.

red graphic

Empower your
clinical team

Provide your organisation to the e-learning platform with a tailored Corporate Plan.

Buy this lesson

30-day access

Become a member

Get unlimited access

Subscribe & Save
Be the first to know

Be the first to know

Join our community for news, offers, and updates on Cotofana Anatomy’s events and resources

Copyright © 2026. Cotofana Anatomy. All rights reserved.