About Us

• Serving the Caribou, Presque Isle, and Houlton, ME, communities with state-of-the-art orthodontic care, Dr. Donald Cassidy has been creating beautiful, straight smiles for over 20 years. Along with our friendly team, Dr. Cassidy truly cares about your health and happiness, and wants to give you a positive orthodontic experience that will make you smile for years to come. Our goal is to make you feel important, because you are! In addition to being the most experienced Invisalign and Invisalign Teen clear aligner provider in the area, Dr. Cassidy also offers orthodontic treatment with traditional braces. We treat patients in a modern office that is comfortable, family-friendly, and equipped with the technology necessary to provide cutting-edge diagnoses and treatment planning.