Objectives: Perioral rejuvenation is limited by poor three-dimensional understanding of the labiomandibular fold (LMF). This study used micro-CT and histology on 22 specimens from 11 cadavers to analyze LMF anatomy. The LMF marks a boundary between fat-abundant and fat-scarce zones and is dynamically shaped by a slanted collagen-elastin-muscle (CEM) network involving depressor anguli oris, platysma, and depressor labii inferioris. Findings reveal that LMF formation involves subcutaneous tissue differences and vertical dermal muscle insertions, supporting region-specific rejuvenation strategies.

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Objectives: This lecture aims to provide participants with an advanced understanding of diagnosing and managing vascular complications that may arise from dermal filler injections. It will cover the significance of thorough patient assessments, effective injection techniques, the use of hyaluronidase in reversing complications, and the necessity of having emergency protocols in place. By the end of the lecture, participants will have enhanced knowledge and skills to minimize patient risks, effectively manage vascular complications in a timely manner, and improve overall patient outcomes.

Objectives: Analyze the advantages of cannula or needle techniques in lip voluming through the use of high-resolution ultrasound.