++++ Freedom of movement for persons ° Freedom of establishment ° Freedom to provide services ° Practitioners of dentistry ° Recognition of diplomas and evidence of qualifications ° Directive 78/686 ° Coordination of national provisions ° Directive 78/687 ° Creation of a category of practitioners not provided for by the directives ° Not permissible (Council Directives 78/686, Art. 19, and 78/687, Art. 1)