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| Hemiface C= cannula N= needle | % intramuscular (orbicularis oris) | % extramuscular (subcutaneous fat) | Distance to Mucocutaneous Junction (mm) | Artery Involved? |
|---|---|---|---|---|
| C1 | 100 | 0 | 1.25 | No |
| C2 | 100 | 0 | 1.65 | No |
| C3 | 100 | 0 | 3.30 | No |
| C4 | 70 | 30 | 2.00 | No |
| N1 | 80 | 20 | 1.30 | No |
| N2 | 95 | 5 | 0.35 | No |
| N3 | 100 | 0 | 0.75 | No |
| N4 | 40 | 60 | 0.40 | No |
