Placed on the wrong incisor
The two centrals rarely superimpose. Switching between them between cephs makes U1 and the interincisal angle wander for no clinical reason.
Point · U1T
Upper incisor tip
The incisal edge of the most prominent upper central incisor.
At Beginner a placement counts as found within 2.1 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 tip and a typical miss, on the same ceph, at the distance the mistake usually goes.
Placed at the middle of the edge
On a worn or lingually inclined incisor the edge is a flat facet with two corners, and the tip is the anterior one.
Used in
11 measurements are built on it. Miss it, and every one of them moves.
Your record
You have not placed this one yet.