OPT
System: Head & Neck
Section: Anatomy
Tag: dental
Modality: X-ray (OPT)

- “ The International Standards Organization Designation System (ISO System) was developed by the World Health Organization (WHO).  It is a dental not...”

Used in the following article:

  • Teeth - “ Teeth can be both primary and secondary, with the eruption of permanent teeth occurring over a long period between the ages of 6 and 24.  Gross a...”

View full size version of ISO system by WHO for teeth notation

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