Placed short of the apex
The apical third is the faintest part of the tooth. The point stops where the outline stops being obvious, which is a millimeter or two below the real apex.
Point · U1A
Upper incisor apex
The root apex of the same upper central incisor.
At Beginner a placement counts as found within 3.3 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 Upper incisor apex and a typical miss, on the same ceph, at the distance the mistake usually goes.
Placed on the neighboring root
The lateral incisor and the other central overlap the central's root, and their outlines are just as convincing.
Used in
5 measurements are built on it. Miss it, and every one of them moves.
Your record
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