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  1. Home
  2. /Washington
  3. /Seattle Orthodontists
  4. /The Smile Space
AAO Member

The Smile Space

2911 2nd Ave Ste 106, Seattle, WA 98121
4.9(55 reviews)
Call Now(206) 294-5712Book OnlineWebsiteDirections
The Smile Space

About The Smile Space

The Smile Space is a combined dental and orthodontic practice offering both general dentistry and orthodontic services.

Led by Dr. Daniel Lee (general & cosmetic dentist) and Dr. Christina Lee (orthodontist), the practice uses advanced technology including CBCT 3D imaging, iTero digital scanning, and AI analysis to provide precise diagnoses and treatment planning.

Services Offered

InvisalignEarly TreatmentSurgical Orthodontics

Who They Treat

The Smile Space provides orthodontic treatment for the following age groups:

Children
Ages 6–11
Teens
Ages 12–17
Adults
Ages 18+

Technology & Equipment

The Smile Space uses modern orthodontic technology to deliver precise, comfortable treatment.

3D Digital Scanning
Cone Beam CT (3D X-Ray)
In-House 3D Printing
Laser Dentistry

Meet the Orthodontists

D

Dr. Daniel Lee, DDS

Lead OrthodontistAccepting New Patients
D

Dr. Christina Lee

Accepting New Patients

Insurance Accepted

The Smile Space accepts 2 insurance plans. Contact the office to verify your specific coverage.

Delta Dental PPO
Delta Dental Premier

In-network preferred providers for Delta Dental Premier and Delta Dental PPO. Patients with other dental insurance can use out-of-network coverage. In-house membership plan available for uninsured patients.

Patient Reviews

4.9(55 reviews)
N
Nuby He
2 weeks ago
“

[Update] They investigated the scheduling issue thoroughly and followed up professionally. I appreciate the transparency and explanation:) [Jan 2026] This is the fifth time I’ve come here for an appointment, and when I checked in, they told me I wasn’t on the schedule. The frustrating part is that I received reminder emails and text messages confirming the appointment, and the date/time were correct. Yet the front desk still said I wasn’t booked. They couldn’t do anything except reschedule, and the staff expressed her apology and said “that happens.” Honestly, this should not be happening. It’s extremely disrespectful of patients’ time, especially when we plan our day around an appointment. Last time I came here, I arrived on time but still waited about 30 minutes. I understand delays can happen since treatment time isn’t always predictable. But a scheduling error like this should never happen. [Dec 2025] This was my third time coming here. Thuy is very friendly and patient in answering my questions—wonderful staff overall! Iris is very professional in assisting Dr. Alina and was thoughtful in taking care of my lips with Vaseline. Dr. Alina did an great job filling my cavity and showed great kindness when I had questions about my fillings and tooth irritation. I would definitely come again!

B
Bruce C
3 months ago
“

I’ve been working with Dr. Christina for a few months, and I’ve always appreciated how thoughtful and patient she is. During the time we work together, she consistently took the time to explain things carefully and helped me understand what was happening step by step. Even during moments when I felt anxious or unsure, she remained calm, kind, and professional. I always felt that she genuinely cared about my well-being and wanted the best for me. I’m grateful for the time and energy she invested in my case. She is a compassionate doctor who truly puts her patients first. I highly recommend Dr Christina to any other patients.

R
Rose Ridder
2 months ago
“

Just got my teeth cleaned - the cleaning was great - very thorough x-rays and exam, cleaning with water at the perfect temperature, and very friendly. One thing to be cautious of is prior approval from your insurance. I was not contacted before the appointment to be alerted that my insurance hadn't been confirmed, and they were still confirming the coverage when I started my appointment. The cash price for an initial visit is $413, so that bill upon exit was startling to say the least. However, they have been receptive to working with me because of that blindsiding, including use of their independent coverage system that has a monthly subscription model. So the moral of the story is: great dental care, but make sure the bill is confirmed *before* you start your visit, even if you have provided your insurance information! (Review updated because the clinic was willing to work with me to fix the billing issue).

N
Natasha Gray
a year ago
“

I absolutely love The Smile Space! Dr. Maria Vallejos-Castillo is a true gem. She is incredibly caring and genuinely listens to my concerns and needs. Visiting the dentist usually makes me anxious, but everyone at The Smile Space, from the front desk staff to the assistants and dental practitioners, has been welcoming and supportive. They do everything they can to ease my nerves. I also appreciate the advanced technology they use and how they review my dental progress with me. Overall, my experience with The Smile Space has been very positive!

H
H Reddy
3 months ago
“

I used to dread the dentist, but Smile Space changed that. Everyone there is so welcoming and kind. Thuy at the front desk went above and beyond in helping me navigate insurance and patiently answered all of my questions. Dr. Daniel Lee made all the difference. He genuinely cares about his patients and takes the time to explain procedures and treatment options thoroughly. During treatments, he’d pause to check in and was really understanding about my dental anxiety. If you’ve had negative dental experiences in the past, I highly recommend giving them a try. Bonus: they have a cute pup to keep you company while you wait.

See all 55 reviews on Google

Frequently Asked Questions

The Smile Space offers the following orthodontic treatments: Invisalign, Early Treatment, Surgical Orthodontics. Contact the office to discuss which option is right for you.
The Smile Space accepts several insurance plans including Delta Dental PPO, Delta Dental Premier. Contact the office to verify your specific plan is accepted.
Contact The Smile Space to learn about consultation options and fees.
The Smile Space is currently welcoming new patients in Seattle, WA. Call (206) 294-5712 or book online to schedule your first visit.
The Smile Space is located at 2911 2nd Ave Ste 106, Seattle, WA 98121. Get directions: https://maps.google.com/?cid=16348650874610836744&g_mp=CiVnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLkdldFBsYWNlEAIYBCAA
The Smile Space office hours: Mon Closed–Closed, Tue 9:00 AM–5:00 PM, Wed 9:00 AM–5:00 PM, Thu 9:00 AM–5:00 PM, Fri 9:00 AM–5:00 PM, Sat Closed–Closed, Sun Closed–Closed.
Yes, The Smile Space offers flexible payment plans to make orthodontic treatment affordable. Contact the office to discuss financing options.
The Smile Space is staffed by Dr. Daniel Lee, Dr. Christina Lee. The practice is a member of the American Association of Orthodontists (AAO).
The Smile Space has a 4.9 out of 5 star rating based on 55 patient reviews on Google.

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Contact Information

2911 2nd Ave Ste 106
Seattle, WA 98121
Get Directions
(206) 294-5712
thesmilespace.com/
hello@thesmilespace.com
Open in Google Maps

Practice Info

Payment Plans Available
In-House Financing
Online Booking Available
Emergency Hours Available

Accessibility & Parking

Wheelchair Accessible Entrance
Wheelchair Accessible Restroom

Payment Methods

Cash
Credit Cards
Debit Cards
Contactless / NFC

Office Hours

MonClosed
Tue9:00 AM – 5:00 PM
Wed9:00 AM – 5:00 PM
Thu9:00 AM – 5:00 PM
Fri9:00 AM – 5:00 PM
SatClosed
SunClosed

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