Placed on bony pogonion
The bony chin lies several millimeters behind and the two outlines are parallel, so the error is invisible unless you look for it.
Point · Pogs
Soft-tissue pogonion: the most anterior point of the soft-tissue chin.
At Beginner a placement counts as found within 2.3 mm of the reviewed reading.
How to find it
Press a step to be shown it on the ceph.
Each figure is the reviewed reading of Soft-tissue Pogonion (Pog′) and a typical miss, on the same ceph, at the distance the mistake usually goes.
Placed on bony pogonion
The bony chin lies several millimeters behind and the two outlines are parallel, so the error is invisible unless you look for it.
Placed at the labiomental fold
The fold is the sharpest feature in the region, and a receding chin puts it close to the most anterior point.
5 measurements are built on it. Miss it, and every one of them moves.
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