The Northeastern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont; the Canadian provinces of Newfoundland, Nova Scotia, Prince Edward Island, New Brunswick, and Quebec.

The Southeastern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, the Commonwealth of Puerto Rico, and the U.S. Virgin Islands.

The North Central Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Illinois, Indiana, Iowa, Ohio, Michigan, Minnesota, Nebraska, North Dakota, South Dakota, Wisconsin, and the Canadian provinces of Ontario and Manitoba.

The Southwestern Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Arkansas, Colorado, Kansas, Louisiana, Missouri, New Mexico, Oklahoma, and Texas.

The Western Society of Pediatric Dentistry represents the specialty of pediatric dentistry in Alaska, Arizona, California, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, and the Canadian provinces of Saskatchewan, Alberta, British Columbia, Northwest Territories, Nunavut, and Yukon Territory.