Addresses     For more information or to receive an application... Send mail through the USPS to: SEDA P.O. Box 174 Portsmouth, NH 03802 OR Send an e-mail to [SEDA] by clicking here.     OTHER SITES OF INTEREST American Academy of Esthetic Dentistry American Academy of Cosmetic Dentistry American Society for Dental Aesthetics International Association for Orthodontics New England Seacoast Dental Seminars To see a photo gallery of cases done by our members, click here.