What organization accredits the specialty areas that dentists must be recognized by to advertise as specialists?

The organization that accredits the specialty areas which dentists must be recognized by to advertise themselves as specialists is the American Dental Association (ADA). The ADA is responsible for setting educational and practice standards for dental specialists in the United States. They oversee the accreditation of dental specialty programs, ensuring that these programs meet high standards of quality and education. This accreditation process is critical because it helps maintain public trust in the dental profession by ensuring that those who claim to be specialists have received appropriate training and certification. By adhering to the ADA's guidelines, dentists can legally and ethically promote their specialized services to the public.

In contrast, other organizations mentioned do not play a role in accrediting dental specialties. The Centers for Disease Control primarily focuses on public health issues and disease prevention, while the National Dental Association serves as a professional organization that advocates for dentists but does not accredit programs. The World Health Organization deals with global health but does not specifically accredit dental specialties. Thus, the ADA is the correct answer as it fulfills the role of accrediting dental specialty areas in the United States.