We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
One to thirty-two, straight through.
Also known as: American dental notation, Consecutive tooth numbering
The tooth-numbering system used chiefly in the United States, numbering the permanent teeth consecutively from one to thirty-two.
Numbers the permanent teeth consecutively around both arches from one to thirty-two.
Contexts: Medicine, Laboratory
A tooth's number carries no information about which quadrant it is in, so the number must be memorised or looked up where the other two systems can be reasoned out.
Contexts: Medicine, Laboratory
Number sixteen names different teeth in this system and in the FDI one, which is a documented source of error when records cross between conventions.
The three tooth-numbering systems are mutually incompatible; a number alone is ambiguous without its system.
Contexts: Medicine, Laboratory
A single numeral from one to thirty-two written beside the tooth on a chart, counted from the patient's upper right third molar around the arch and back along the lower.
The same numeral names different teeth in the two systems, and a number is ambiguous without naming its convention.