Diana Hillsten, RDH

Diana Hillsten, RDH, serves as a registered dental hygienist at Valleywise Health and brings more than 18 years of experience providing preventive and periodontal care. For the past nine years, she has delivered comprehensive hygiene services in a community health setting, supporting patients from diverse backgrounds.

Licensed by the Arizona State Board of Dental Examiners, Hillsten holds an associate degree in dental hygiene and has pursued continuing education and advanced certifications throughout her career. Her clinical expertise includes periodontal therapy, scaling and root planing, oral cancer screenings, preventive care, and patient education. She is especially skilled in working with high-risk and behaviorally complex patients, helping improve long-term oral health outcomes through thoughtful, evidence-based care.