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Your Trusted Orthodontist in Houlton & Presque Isle
Cassidy Orthodontics has been dedicated to transforming smiles and building confidence through expert orthodontic care for nearly three decades. Our practice combines advanced technology, such as the iTero Digital Impression System and Invisalign clear aligners, with a personalized approach to ensure optimal results. With offices in Houlton and Presque Isle, Maine, we serve patients of all ages, offering traditional braces, two-phase treatment, and innovative solutions tailored to individual needs.

Our team prioritizes patient comfort and education, fostering a welcoming environment where families feel valued and supported throughout their orthodontic journey. Driven by a commitment to excellence, we actively engage in continuing education and community initiatives to enhance both clinical outcomes and local well-being.
Services
Braces Invisalign Two-Phase Treatment Diode Laser Treatment iTero Digital Impressions
Highlights and features
  • We offer over 30 years of specialized orthodontic expertise.
  • Our practice utilizes cutting-edge iTero and Invisalign technology.
  • We provide personalized treatment plans tailored to individual needs.
  • Our team fosters a family-friendly, patient-centered environment.
  • We actively contribute to community health and dental access initiatives.
What people say
Amazing staff Incredible work Feel like family Best orthodontist Life-changing results
Services
Braces
Traditional braces use advanced wire technology to correct misaligned teeth and bite issues. Ideal for patients seeking durable, effective treatment with proven results. Our team ensures comfort and efficiency throughout the process.
Invisalign
Invisalign offers a discreet, removable solution for straightening teeth using custom SmartTrack aligners. Suitable for teens and adults, this treatment combines convenience with precision for a virtually invisible smile transformation.
Two-Phase Treatment
Two-phase treatment addresses complex issues in children and teens, optimizing jaw development and tooth alignment. Early intervention ensures lasting results and reduces future treatment complexity for improved oral health.
Diode Laser Treatment
Diode laser treatment enhances soft tissue procedures with minimal discomfort and faster healing. This technology improves precision for gum contouring and other orthodontic applications, ensuring patient safety and comfort.
iTero Digital Impressions
iTero digital impressions replace traditional molds with quick, accurate 3D imaging. This technology streamlines treatment planning, offering real-time visualization of expected outcomes for a more efficient orthodontic experience.
People
Donald Cassidy
Orthodontist
Dr. Donald Cassidy, a board-certified orthodontist with over 30 years of experience, specializes in creating confident smiles using advanced techniques. He remains active in professional organizations and community outreach.
Questions
What orthodontic treatments do you offer?
We provide braces, Invisalign, two-phase treatment, diode laser therapy, and iTero digital impressions for patients of all ages.
Are emergency appointments available?
Yes, we offer emergency care for urgent orthodontic issues like broken wires or severe discomfort.
How long does treatment typically last?
Treatment duration varies but averages 12-30 months, depending on the complexity of the case and patient compliance.
Do you accept insurance?
We work with most major insurance providers and offer financing options to help manage treatment costs.
What technology do you use?
We utilize iTero 3D scanning, Invisalign clear aligners, and diode lasers for precise, comfortable, and efficient care.
Can adults benefit from orthodontic treatment?
Absolutely! We offer discreet solutions like Invisalign and modern braces tailored to adult lifestyles and aesthetic preferences.