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Greater Hartford Orthodontics specializes in orthodontic treatment for children, teens, and adults in Newington, CT.
About Greater Hartford Orthodontics
Dr. Edward Cos and his team are known for resolving stubborn cases other orthodontists couldn't fix, with treatment often finishing on or ahead of schedule.
Reviews at Greater Hartford Orthodontics point to Dr. Edward Cos's thoroughness, with several patients noting he took over cases where prior orthodontists struggled and achieved strong results. Timelines come up often too, with multi-year braces and shorter aligner treatments finishing as projected or ahead of schedule. Families with young children and multiple kids in treatment are especially well represented, and the office is described as warm and accommodating, including for anxious or special-needs patients.
Summary of 200 patient reviews, April 2018–September 2026, updated September 2026
Greater Hartford Orthodontics specializes in orthodontic treatment for children, teens, and adults in Newington, CT.
They offer multiple treatment options including traditional metal braces, clear braces, self-ligating braces, and Invisalign, with 3D digital impressions technology available.
Treatments offered
Who They Treat
Greater Hartford Orthodontics provides orthodontic treatment for the following age groups:
Technology & Equipment
Greater Hartford Orthodontics uses modern orthodontic technology to deliver precise, comfortable treatment.
* Pricing ranges are estimates. Contact the practice for a personalized quote.
Orthodontists at this office
Cos, DMD
NPI verified · no bio or photo on file
Dr. EDWARD COS --, DMD
NPI verified · no bio or photo on file
Dr. ROBERT A ERNST --, d.m.d.
NPI verified · no bio or photo on file
Insurance accepted
11 plans listedWhat patients say
Latest review 7 weeks ago
What patients praise
Things to know
Who it suits
Doctors patients mention
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| Sep 2026 | 14 |
| Theme | Praise | Criticism |
|---|---|---|
| The orthodontist | 61 | 1 |
| Friendly staff | 55 | 0 |
| Treatment results | 45 | 0 |
| Great with kids | 36 | 1 |
| Scheduling & wait times | 23 | 0 |
| Clear explanations | 20 | 1 |
| Gentle, comfortable care | 15 | 0 |
| Cost, insurance & financing | 14 | 2 |
Recent reviews from Google
My 9y/o daughter recently had an expander installed, and the process was so much less invasive than what we were told to expect at other orthodontic practices we consulted. We couldn't be happier with our experience! From our very first visit, Dr. Cos and his entire team have been wonderful. Everyone is incredibly friendly, welcoming, and always willing to help. Whether it's answering insurance questions, offering flexible scheduling, or simply providing excellent care in a clean and comfortable office, they've exceeded our expectations every step of the way. I highly recommend this office to anyone looking for an orthodontist!
They were quick but didn't rush and they did a great job! They explained everything they did and what i have to do
Staff was polite and check in process was quick and efficient. Doctor was informative and personable. My grandson had a pleasant experience starting work toward getting braces soon.
I love the staff and the doctor as well, they are all so professional and very welcoming. I came back after many years and they are still the same kind team. I will be bringing my son soon for treatment. They work with you when it comes to scheduling appointments, payment arrangements and give you options for care. I’m glad they are still providing services.
Dr. Cos is wonderful. Everything has been going smoothly since my daughter’s initial consult and right on the timeline he projected! Staff is attentive and making appointments is never an issue.
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