Author: kdk ★2017
Date: 2021-06-08 04:59
smokindok wrote:
> Karl,
>
> Unlike the system in the USA, a lot of the world uses a two
> digit system to number teeth. The first digit is the quadrant
> where the tooth resides. 1=upper right; 2=upper left; 3=lower
> left; 4=lower right. The second digit is the number of tooth
> starting with 1 in front (anterior) and counting back
> (posteriorly) to 8, which would be the wisdom tooth. This is
> for the permanent teeth. Primary teeth are numbered similarly,
> using 5, 6, 7, 8 to designate the quadrant and 1 - 5 (anterior
> to posterior). The USA system uses letters for primary teeth,
> in the same pattern as the numbers are used for the permanent
> teeth.
>
> 32, 31, 41, 42 would be 23, 24, 25, 26.
Learn something new every day! Thanks!
Karl
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