Welcome to Cassidy Orthodontics!

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.
  • When you come to our practice, we want you to feel at home. We will go the extra mile to make sure you’re treated with kindness, respect, and warm smiles every day!

With two office locations in Presque Isle and Houlton, your appointments can easily fit into your busy lifestyle. Contact our office to schedule a complimentary consultation today!

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