Provides a system for designating teeth or areas of the oral cavity using two digits. It also provides a system for designating surfaces of the teeth using letters of the alphabet. The system described has been drawn up by the International Dental Federation (FDI) and approved by the World Health Organization (WHO).
Revises
ISO 3950:1977
WITHDRAWN
ISO 3950:1984
95.99
Withdrawal of Standard
May 5, 2009
WITHDRAWN
ISO 3950:2009
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