• header3.png
  • header4.png
  • header11.png
  • header8.png
  • header2.png
  • header5.png
  • header9.png
  • header12.png
  • header10.png
216 N Washington Ave
Dunellen, NJ 08812
ph. 732.968.4800
8 Shunpike Rd
Madison, NJ 07940
ph. 973.377.0900
ph. 732.968.4800
Facebook Youtube Instagram
Meet Dr. Castagna
Read Bio
Request Complimentary Exam
Patient Reviews

Welcome to New Smile Orthodontics


New Smile Orthodontics provides specialized orthodontic care for children, teens and adults in Dunellen, Madison, and Morristown, NJ

Our office is warm and friendly and each of our patients are greeted by an experienced and compassionate staff. We treat our patients as if they were our family and build long-lasting relationships with each and every one.

Our goal is to provide people of all ages with an improved self-image and increased confidence by creating beautiful smiles and functional bites through expert knowledge in orthodontic concepts in a state-of-the-art environment.

New Smile Orthodontics is an orthodontic practice serving Dunellen, Madison, Florham Park, Morristown, Somerset County and Morris County, New Jersey and we view ourselves as partners with each of our patients in achieving the optimum orthodontic results. We use the most advanced and effective orthodontic techniques to achieve lasting, beautiful smiles for our patients.

Because not all patients are alike, not all treatment plans are alike. We pride ourselves on informing patients of all of their options. Whether it's two phase treatment with conventional braces, or Invisalign, our staff works together with each patient to determine which option is best for them.

Feel free to contact one of our conveniently located offices to schedule a free initial consultation. We offer convenient appointment times to fit into any schedule.

Voted top dentist/orthodontist 2016 in New Jersey Monthly

What Sets Us Apart

There are many reasons why the practice of Dr. Michael Castagna is your best choice for your orthodontic treatment. We not only create beautiful smiles, we also help build self-esteem. Because we offer several treatment options, our patients can be confident that they are getting the correct procedure for their needs.

  • Patients love the caring and personal touch they receive with Dr. Castagna
  • We achieve excellent results
  • We put our patients first
  • We treat everyone like family
  • We are up to date with the latest techniques & technologies
  • No Charge for Initial Consultation
  • ¡Se habla Espanol!


Providing quality orthodontics to Madison and Dunellen and
Morristown and all surrounding New Jersey areas.