OHI-S Gummy Smile and Masseter Reduction Anatomy, Diagnosis BoNT-A Protocols 6 lessons 1h 17m

This 1-hour and 17-minute clinical course (spanning 6 lessons) provides a complete, evidence-based approach to Botulinum Toxin Type A (BoNT-A) applications for gummy smile correction and masticatory muscle modulation. The program focuses on equipping practitioners with a deep understanding of facial anatomy, diagnostic assessments, and precise injection protocols—such as the Yonsei Point Technique—to ensure predictable aesthetic and therapeutic results while minimizing functional complications.
Learning Objectives

Assess the anatomical foundation, underlying etiology, and clinical classification of excessive gingival display.

Master the Yonsei Point Technique, including exact surface landmarks, dosing ratios, and deep anatomical target muscles.

Evaluate clinical outcomes, establish patient selection criteria, and mitigate risks associated with gummy smile correction (e.g., asymmetrical smile, upper lip ptosis).

Diagnose the functional anatomy and underlying causes of bruxism and masseter hypertrophy.

Execute precise masseter reduction injections by mapping anatomical safe zones to prevent risorius impairment and vascular injury.

Manage long-term clinical outcomes for structural jawline slimming and temporomandibular joint (TMJ) pain relief using evidence-based combination therapies.

Target Audience
This course is designed for medical professionals and aesthetic practitioners who wish to master anatomical diagnostics, patient selection, and precise BoNT-A injection techniques for treating gummy smiles and masticatory hyperfunction.
Best for Dentists, Oral and Maxillofacial Surgeons, Dermatologists, Plastic Surgeons, and Aesthetic Medicine Physicians.
Topics
Lesson 1. Anatomy & Etiological Classification of the Gummy Smile

Gummy smile: clinical definition and diagnostic criteria

Underlying etiology and contributing skeletal/muscular factors

Classification systems of excessive gingival display

Perception of smile attractiveness in relation to gingival display

Relevant muscular anatomy: upper lip elevators and dynamic muscular contributions

Lesson 2. The Yonsei Point Technique: Protocols & Clinical Injection Guide

The Yonsei Point technique: definition and clinical rationale

Botulinum toxin clinical benefits in perioral neuromodulation

Pharmacodynamic mechanism of action in hyperfunctional facial muscles

Yonsei Point mapping: landmark identification and injection marking

Primary anatomical target muscles for gummy smile correction

Dosing protocols, reconstitution guidelines, and step-by-step injection technique

Lesson 3. Gummy Smile Clinical Outcomes, Case Studies & Risk Management

Result timelines, onset expectations, and documented clinical outcomes

Comprehensive clinical case study analysis

Complication avoidance, risk mitigation, and management of adverse events

Patient assessment and ideal candidate selection criteria

Alternative options and synergistic combination treatment pathways

Evidence summary and literature review

Lesson 4. Masticatory Muscle Anatomy, Diagnostics & Bruxism Etiology

Bruxism: clinical definition, pathology, and functional impact

Masseter hypertrophy: definition and aesthetic/functional manifestations

Etiology and contributing physiological/lifestyle factors

Clinical presentation patterns and diagnostic patient assessment

Applied muscle anatomy: masseter, temporalis, and masticatory complex

Local neurovascular mapping: course of facial vessels and nerve branches

Lesson 5. Masseter Reduction: Injection Techniques, Safe Zones & Dosing Protocols

Masseter injection landmarks in relation to facial nerve anatomy

Clinical benefits of BoNT-A in masseteric hypertrophy and bruxism

Mechanism of action: structural muscle atrophy and neuromuscular blockade

Mapping safety zones to prevent smile asymmetry and risorius impairment

Standardized injection techniques: depth control, point distribution, and dosing guidelines

Lesson 6. Therapeutic Results, Patient Selection & Evidence-Based Practice

Therapeutic result timelines and long-term aesthetic/functional outcomes

Clinical case analysis: structural slimming and pain management benefits

Management of complications (e.g., paradoxical masseteric bulging, muscle weakness)

Patient selection framework and contraindication screening

Synergistic combination therapies for facial contouring and TMJ relief

Current evidence base and literature review