1F Commons Drive, Suite 36| Londonderry, NH 03053
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At Appletree Orthodontics, we believe each smile is unique and feel that it is important to listen to your concerns, your specific needs, and your preferences. Dr. Polgrean has had the privilege of creating new smiles for many years and is looking forward to educating you on your best options for creating your new smile. Dr. Polgrean and the Appletree Orthodontics team have a mission to not only give you a more beautiful smile but also provide an extremely pleasant experience in our family-friendly environment. Contact us today to schedule your initial orthodontic exam…We would love to meet you!

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Patient Testimonials

  • “I’ve waited almost 50 years to get my teeth straightened and this place is the BEST!! Appletree Orthodontics is a warm and friendly place with awesome staff! They really know how to make you feel comfortable and make the process enjoyable! Five stars is not enough…THANK YOU from the bottom of my heart for giving me my smile back!”
    ─ John
  • “I'd contemplated braces my entire adult life. The last photo I had of me smiling was when I was 17 years old. I had so many fears and reservations. Thanks to Apple Tree, and their incredible staff, I can finally smile again! My only regret was waiting so long. Smiling again at age 44.”
    ─ T.P.
  • “This is our third child just out of braces! We are extreamly pleased with Appletree Orthodontics! Everyone there is welcoming and fantastic at what they do!”
    ─ Kristy S.
  • “Absolutely love and adore the entire staff! They discuss and talk with the patient about both needs and wants. They talked to me about everything! They made sure I was comfortable and happy. When I was supposed to be done I felt as if somethings weren't complete yet. When I came into my next appointment they listened and agreed. They truly are the best people to work with!”
    ─ Adrienne
  • “I love apple tree! My braces are finally off and I am beyond happy with the results! Thank you.”
    ─ GG
  • ““I had a very extensive treatment process and the entire staff was very helpful, kind and friendly every step of the way! My experience with them couldn’t have been better! I love the way my teeth came out!”
    ─ Aamelie
  • “Apple Tree is really a great place. It's an all around happy environment, and everyone is friendly. I've never waited for longer than 5 minutes for any appointment! Perfect for anyone of any age, and really helped motivate me to get my teeth straight!”
    ─ Maddie
  • “My experience at apple tree has been incredible! All of the staff is hospitable along with accommodating to every one of my wants and needs! Highly recommend to any body looking to put their kid through braces or Invisalign.”
    ─ Alex
  • “Apple Tree Orthodontic is an all around great place. The people there are fantastic. They’re always smiling always asking how your day is. I never had any bad experiences there due to the fact that they are awesome. 10/10 recommended coming here for your teeth!”
    ─ Gavin
Appletree Orthodontics is a proud member of the American Association of Orthodontists
Appletree Orthodontics is a member of the American Dental Association
Appletree Orthodontics is a member of the American Board of Orthodontists
Appletree Orthodontics is a member of the Northeastern Society of Orthodontists
Appletree Orthodontics is a member of the New Hampshire Dental Society
Appletree Orthodontics is a proud provider of Invisalign clear braces for teens and adults

Dr. Polgrean became a board-certified Diplomate of the American Board of Orthodontists in 2005. Our office is located in Londonderry, NH and provides orthodontic treatment for children, teens, and adults in many surrounding communities including Derry, Windham, East Derry, Hampstead, Sandown, Chester, Auburn, Manchester, Raymond, Atkinson, Salem, Pelham, Litchfield, Merrimack, Hudson, Nashua, Bedford, Goffstown, Hooksett, and Candia.

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