Placed too high, near the spine
The concavity is shallow and long. Without the facial line to measure depth against, the point sits wherever the curve looks deepest on screen.
Point · A
A point
The deepest point of the concavity on the front of the maxilla, between the spine and the crest.
At Beginner a placement counts as found within 2.6 mm of the reviewed reading.
How to find it
Press a step to be shown it on the ceph.
Common errors
Each figure is the reviewed reading of A point and a typical miss, on the same ceph, at the distance the mistake usually goes.
Placed on the incisor root
The root of the upper central sits directly behind the concavity and its outline is crisper than the bony one.
Used in
14 measurements are built on it. Miss it, and every one of them moves.
Your record
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