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. 2024 Aug 8;14(16):1718. doi: 10.3390/diagnostics14161718

Table 1.

Summary of the upper third regions and ultrasound-guided injection techniques.

Region Scan before Injecting Scan While Injecting Desired Planes to Inject What to Avoid in This Region
Temporal Region
Technique 1: Subdermal filler placement
No Yes Subcutaneous fat tissue Superficial temporal artery and vein
Temporal Region Technique 2: Interfascial filler placement No Yes Interfascial plane between the superficial temporal fascia and deep temporal fascia (superficial lamina) Superficial temporal artery and vein, middle temporal vein, sentinel vein
Temporal Region
Technique 3: Low supraperiosteal filler placement (“one up, one over” technique)
Yes No Supraperiosteal plane Anterior deep temporal artery
Frontal Region: Glabella Yes Yes Usually superficial, may vary according to the depth of the arteries on DUS Supratrochlear, central and paracentral arteries
Frontal Region: Forehead Yes Yes Usually deep, may vary according to the depth of the arteries on DUS Supraorbital, supratrochlear, central and paracentral arteries
Frontal Region: Supraorbital region Yes Yes ROOF Supraorbital artery