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Grinz Orthodontics - NW Tucson is a board-certified orthodontic practice in Tucson, AZ.
About Grinz Orthodontics - NW Tucson
Staff here are remembered for knowing each family by name, treating one child after another across the same household over the years.
Grinz Orthodontics - NW Tucson treats a lot of families with several children moving through braces over time, and reviews often mention staff who know the family history and ease nerves for younger kids. Dr. Terence Ziehmer is described as personable and willing to offer custom treatment plan options, and the office comes up repeatedly as clean and calming. Scheduling is generally easy, with same-day fixes for broken brackets or wires when needed. A few reviews raise concerns about billing and treatment timelines running longer than expected.
Summary of 200 patient reviews, September 2016–August 2026, updated September 2026
Treatments offered
Who They Treat
Grinz Orthodontics - NW Tucson provides orthodontic treatment for the following age groups:
Orthodontists at this office
Terence Ziehmer, DDS MSD
NPI verified · no bio or photo on file
Insurance accepted
6 plans listedWhat patients say
Latest review 6 weeks ago
What patients praise
Things to know
Who it suits
Doctors patients mention
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| Theme | Praise | Criticism |
|---|---|---|
| Friendly staff | 137 | 3 |
| Treatment results | 30 | 2 |
| The orthodontist | 22 | 3 |
| Gentle, comfortable care | 25 | 1 |
| Great with kids | 25 | 0 |
| Clear explanations | 20 | 2 |
| Scheduling & wait times | 17 | 1 |
| Cost, insurance & financing | 12 | 5 |
Recent reviews from Google
Grinz Orthodontics has been a great experience! The staff is kind, friendly, professional, and always makes me feel welcome. They take the time to explain everything honestly and clearly, and the office is clean and comfortable. I highly recommend Grinz to anyone looking for quality orthodontic care.
The office staff here is incredible, but special shoutout to the treatment coordinator, Keyanna! She was incredibly helpful, knowledgeable, and patient throughout the whole process. Keyanna explained everything clearly and made us feel confident every step of the way when it came to choosing Dr. Z and his team!
We had such a great experience, and we truly want to recognize Keyanna the treatment coordinator. She helped us out amazingly from start to finish. Keyanna was kind, patient, and took the time to clearly explain everything, making us feel comfortable and confident throughout the entire process. She went above and beyond to make sure all our questions were answered and that everything ran smoothly. It’s rare to come across someone so dedicated and genuinely caring—Keyanna made a huge difference in our experience. Highly recommend!
Marcos is the best, he helped my teeth look cool while also making a working process on them, the office is nice and very welcoming as well. Overall this is an amazing process and just seeing how my teeth will work out is making me more confident :)
I had such a great experience at this orthodontics office! From the moment I walked in, the staff made me feel welcome and comfortable. I was greeted by Jaelene, she was incredibly friendly and professional.She explained each step of the process which helped ease my nerves. I highly recommend this office to anyone looking for high-quality orthodontic care!
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