The University of Washington School of Dentistry offers courses leading to a Doctor of Dental Surgery (DDS) degree, and advanced education leading to a Master of Science in Dentistry degree and/or a certificate of proficiency in endodontics, oral medicine, orthodontics, pediatric dentistry, periodontics, and prosthodontics. Residency training is available in oral and maxillofacial surgery and general practice. The Department of Oral Biology offers a Master of Science (MS), an MS non-thesis degree for dental hygiene educators, and a doctoral degree (PhD). Postdoctoral study is available. These educational programs are enriched by the School's strong commitment to Research and the presence of a Regional Clinical Dental Research Center, the Northwest Center to Reduce Oral Health Disparities, Northwest PRECEDENT, an affiliation with the Institute of Translational Health Sciences (ITHS,) and a fellowship Research training program for predoctoral and postdoctoral students.