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House of Orthodontia is an orthodontic practice in Brooklyn and Manhattan specializing in accelerated orthodontics and non-surgical treatment of complex cases.

About House of Orthodontia - Brooklyn
Broken wires, brackets, and retainers get repaired quickly, often years after braces come off, keeping long finished cases on track.
House of Orthodontia handles a high volume of retainer and repair issues long after active treatment ends, with reviews describing quick free fixes for broken retainers, wires, and brackets, sometimes years into follow-up. Dr. Khoo and Dr. Lien are both mentioned often, credited with catching issues other providers missed and explaining alternatives thoroughly before starting. Reviews describe corrected underbites and overbites, including cases where prior treatment elsewhere hadn't worked, alongside Invisalign results for adults with longstanding misalignment. The office also draws families with multiple children in treatment, citing evening and weekend hours that fit school schedules.
Summary of 200 patient reviews, August 2024–September 2026, updated September 2026
House of Orthodontia is an orthodontic practice in Brooklyn and Manhattan specializing in accelerated orthodontics and non-surgical treatment of complex cases.
Dr. Thomas Lien offers comprehensive orthodontic care including braces, Invisalign, and early interceptive treatment for children, teens, and adults.
Treatments offered
Who They Treat
House of Orthodontia - Brooklyn provides orthodontic treatment for the following age groups:
Technology & Equipment
House of Orthodontia - Brooklyn uses modern orthodontic technology to deliver precise, comfortable treatment.
* Pricing ranges are estimates. Contact the practice for a personalized quote.
Orthodontists at this office
Edmund Khoo
NPI verified · no bio or photo on file
Dr. MANI ALIKHANI --, DMD
NPI verified · no bio or photo on file
Dr. TATIYA UNGPHAKORN, DDS, ABO
NPI verified · no bio or photo on file
Insurance accepted
4 plans listedWhat patients say
Latest review 3 weeks ago
What patients praise
Who it suits
Doctors patients mention
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| Nov 2023 | 2 |
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| Dec 2024 | 7 |
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| Aug 2025 | 9 |
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| Jan 2026 | 12 |
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| Jun 2026 | 7 |
| Jul 2026 | 19 |
| Aug 2026 | 13 |
| Sep 2026 | 6 |
| Theme | Praise | Criticism |
|---|---|---|
| Friendly staff | 64 | 0 |
| Treatment results | 47 | 0 |
| The orthodontist | 45 | 0 |
| Great with kids | 45 | 0 |
| Scheduling & wait times | 32 | 1 |
| Responsiveness | 23 | 0 |
| Clear explanations | 21 | 0 |
| Gentle, comfortable care | 19 | 0 |
Recent reviews from Google
Great experience with my process of doing my Invisalign, my teeth did a great transformation from what it was before. Great experience with the doctor and staff working there. Definitely recommend!
Excellent orthodontist with very friendly staff. I was nervous at first but I'm very happy with the results. Dr. Khoo is very professional, experienced and helpful that I would highly recommend.
Dr. Lien is the best. Orthodontist for both of my kids. Professional, kind and super knowledgeable. We are extremely grateful to Dr. Lien and his whole team! The Isay family
My daughter has been seeing Dr. Koo and team for years now and the phase 1 has done wonders to her smile. The staff here are patient and kind. The orthodontists are thorough with their examinations and give great feedback to the child and parents.
Dr. Khoo is an exceptional Orthodontist. His care and bedside manners are remarkable. After treating my two daughter I got braces for myself and I could not be happier. The staff is very pleasant and extremely professional . If you are looking for an Orthodontist this is the best place to come.
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