Placed at the alveolar crest
The crest is a sharp corner and it attracts the point. The concavity begins below it.
Point · B
B point
The deepest point of the concavity on the front of the mandible, between the crest and pogonion.
At Beginner a placement counts as found within 2.5 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 B point and a typical miss, on the same ceph, at the distance the mistake usually goes.
Placed on the lower incisor root
Proclined lower incisors push their roots into the concavity, and the root outline is the one the eye follows.
Used in
7 measurements are built on it. Miss it, and every one of them moves.
Your record
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