can-dent-assoc — HL7 International OID Registry
Root for Canadian Dental Association (CDA) to be used to generate types of identifiers, first level below root, for CDA generated identifier for entities: Root.1 – National Dentist Identifier (CDA Unique Identification Number (UIN)) Root.2 – National Dental Facility Identifier Root.3 - National Dentist Identifier (Canadian Dentist Identification Number (CDIN))