Denise Thirion, RDH: Denise is a lifelong resident of Middlefield, Ohio. After graduating from Cardinal High School, she completed the dental hygiene program at Lakeland Community College. She worked as a hygienist with Dr. Priesand for nine years before moving to the front desk in 2010. She is married with two children. Amy Vanek, CDA: Cathy Blackburn, RDH: After graduating from Wickliffe High School in 1980, Cathy completed the dental hygiene program at Lakeland Community College. She has over thirty years experience as a dental hygienist and has been with Dr. Priesand for two and a half years. She lives in Mentor.