Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Airway Measurements
| Description |
|
| ad2-PNS | Upper sagittal depth of the nasopharyngeal airway |
| ad1-PNS | Lower sagittal depth of the nasopharyngeal airway |
| T2-P3 | Airway space measured from the dorsum of the tongue to the posterior pharyngeal wall on the bisected occlusal plane (OP) |
| E2-E1 | Plane passing through E perpendicular to PRLa |
PRL indicates line perpendicular to Frankfort horizontal plane passing through porion.
