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.

Disclosures

Did you receive any funding to support your research for this TOPIC?
No

Were you provided with any honoraria, payment or other compensation for your work on this study?
No

Do you have any financial relationship with any entity which may closely compete with the medications, materials or instruments covered by your study?
No

Do you own or have you applied for any patents in conjunction with the instruments, medications or materials discussed in your study?
No

This work was not supported by any direct or non direct funding. It is under the author's own responsability

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