There are several different dental notation systems for associating information to a specific tooth.

Dr.Bunn page on dental notations.

The Universal numbering system is a dental notation system for associating information to a specific tooth, and is commonly used in the United States.

The exhumation service documents in a draft manual document for each body of a soldier found the grave site, the dog tag (if still there), the rests of clothes and other individual belongings, human height, characteristics of human skeleton, state of dental notation to make it easier to identify later unknown soldiers.