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Your Trusted Orthodontist in Amherst, NH
Amherst Orthodontics is dedicated to creating beautiful, confident smiles through personalized orthodontic care for patients of all ages. Our practice combines clinical expertise with a conservative treatment philosophy, ensuring that every recommendation prioritizes long-term dental health and functional outcomes. With a focus on patient comfort and education, we offer a range of treatment options including traditional braces, clear braces, Invisalign, and advanced orthodontic techniques. Our team emphasizes open communication, empowering patients to make informed decisions about their care. Recognized as a leader in the field, we serve communities across Amherst, Hollis, Merrimack, Milford, Bedford, and Brookline.

Our commitment to continuous professional development ensures that we deliver cutting-edge solutions tailored to individual needs. By fostering lasting relationships with families, we aim to make orthodontic treatment a positive, rewarding experience. Our office is equipped with modern technology, including the Goop-Free iTero system, to enhance precision and efficiency. We pride ourselves on a welcoming environment where every patient receives compassionate, individualized attention. From early intervention to adult orthodontics, our goal is to achieve optimal results while maintaining the highest standards of care and integrity.
Services
Braces Invisalign Early Treatment Adult Orthodontics Retainers
Highlights and features
  • We offer complimentary consultations and shuttle services for convenience.
  • Our orthodontists are certified specialists with advanced training and decades of combined experience.
  • We provide customized treatment plans using cutting-edge technology like Goop-Free iTero.
  • Our team prioritizes patient education and transparent communication throughout treatment.
  • Recognized as New Hampshire's #1 Orthodontist by NH Magazine for multiple years.
Associations and certifications
  • American Board of Orthodontics (ABO)
What people say
Exceptional Wonderful experience Excellent care Highly recommend Professional and caring
Services
Braces
Traditional metal braces and ceramic braces provide effective solutions for correcting misaligned teeth and bite issues. These fixed appliances use brackets and wires to gradually move teeth into optimal positions. Braces are ideal for patients seeking durable, cost-effective treatment with predictable results, particularly for complex orthodontic cases.
Invisalign
Invisalign uses custom-made, removable clear trays to straighten teeth discreetly. This treatment is popular among adults and teens who prefer a nearly invisible alternative to traditional braces. Aligners allow for easier oral hygiene maintenance and unrestricted eating habits while delivering precise tooth movement through advanced 3D imaging technology.
Early Treatment
Early orthodontic intervention addresses developing bite problems and dental crowding in children aged 7-9. This phase focuses on creating proper space for permanent teeth and correcting skeletal imbalances. Early treatment can prevent more complex issues later, reducing the need for extractions or surgical interventions during adolescence.
Adult Orthodontics
Specialized treatment plans address unique adult dental concerns like worn teeth, missing teeth, and worsening crowding. Options include discreet solutions like lingual braces and Invisalign. Adult orthodontics improves both aesthetics and oral health, with comprehensive care often coordinated with other dental specialists for optimal results.
Retainers
Custom retainers maintain teeth alignment after braces or Invisalign treatment. We provide both removable and fixed retainer options to ensure long-term stability of treatment results. Proper retention prevents relapse and preserves the investment in orthodontic care, maintaining optimal dental function and appearance.
People
Dr. Diane Shieh
Orthodontist
Dr. Diane Shieh, a Harvard-trained orthodontist, has been recognized as New Hampshire's #1 Orthodontist by NH Magazine. She combines clinical expertise with a patient-centered approach, emphasizing conservative treatment planning and long-term dental health. Her background includes dual degrees in Biology and Art History from Wellesley College and dental training at Tufts University.
Dr. Katie Jo
Orthodontist
Dr. Katie Jo specializes in creating personalized orthodontic treatment plans for patients of all ages. She focuses on making orthodontic care accessible and comfortable, with particular expertise in treating teenage patients. Her approach emphasizes patient education and building lasting relationships with families.
Questions
What orthodontic options are available for adults?
We offer discreet solutions like Invisalign, ceramic braces, and lingual braces specifically tailored for adult patients.
At what age should children first see an orthodontist?
The American Association of Orthodontists recommends initial evaluation around age 7 to monitor dental development.
How long does orthodontic treatment typically last?
Treatment duration varies but averages 18 months, with options available for shorter 6-month corrective phases when appropriate.
Do braces cause discomfort?
Some initial adjustment period is normal, but we provide comfort recommendations to minimize any temporary discomfort during treatment.
Are there payment and financing options available?
We offer flexible payment plans and work with patients to create affordable treatment options for all orthodontic services.
How do I schedule a consultation?
Contact us directly at (603) 672-0844 or use our online appointment request form to schedule your complimentary evaluation.