Sangkyu Han, D.D.S., M.S.


Board Certified Orthodontist

4.5 out of 5 (140 reviews)
See detailed Patient Ratings & Comments below
Request an Appointment

About Me

"I get the most satisfaction, as an orthodontist, when I see a patient smile happily, with higher self-esteem and confidence, as the braces are coming off."


  • University of Minnesota, M.S.
  • University of Minnesota, D.D.S.
  • College of Natural Science, Seoul National University

Professional Associations

  • American Dental Association
  • Diplomate of the American Board of Orthodontics
  • American Association of Orthodontists
  • Wisconsin Dental Association
  • Wisconsin Society of Orthodontics


4660 W. College Ave
Appleton, WI 54913
(920) 730-0345
Appleton - North
2115 E. Evergreen Drive
Appleton, WI 54913
(920) 734-2345
N1737 Lily of the Valley Drive
Greenville, WI 54942
(920) 757-0100


As a service to our patients we will provide an estimate of costs prior to services rendered. All co-payments or other out-of-pocket expenses will be due at time of service. Dental Associates will submit all claims directly to the patient's insurance company. The insurance company will determine the benefit reimbursement. Any remaining balance is the patient's responsibility.

Please visit our Dental Insurance We Accept page for more details

Ratings & Reviews

press-ganey.jpgPress Ganey Patient Satisfaction Survey Results

Our Patient Rating scores represent an average of all responses from actual Dental Associates patients randomly surveyed by nationally-recognized patient experiences firm Press Ganey. Learn more about our dentist reviews.

Responses are measured on a scale of 1 to 5, with 5 being the best score.

Wait time at clinic


Doctor's explanation of condition/problem


Doctor spoke using clear language


Time doctor spent with me


Doctor's concern for questions & worries


Caring shown by doctor


Doctor's exam/treatment thoroughness


My confidence in doctor


Likelihood of recommending doctor


Patient Reviews

Patient comments are gathered from our Press Ganey Patient Satisfaction Survey and displayed unedited in their entirety. Patients are de-identified for confidentiality and patient privacy.

January 28, 2018
Dr Han is the most caring Dr I have ever had! He is very concerned about my dental care and things going on in my personal life.
October 22, 2017
Dr. Han is excellent and always does great work.
July 18, 2017
Dr Han is a super orthodontist and I have complete trust in his choices for my treatment.
May 7, 2017
Dr Han is so good with my daughter.
April 4, 2017
All of the dentists and orthodontists I had are amazing and very nice.
March 20, 2017
Dr. Han is WONDERFUL!!
February 19, 2017
Dr. Han took me out of the room to discuss my 12 year old daughter's care, which I found incredibly insulting to her. He then proceeded to tell me that he would not be able to treat her because of the crowding of her teeth, and her top and bottom jaw not lining up. According to him, the problem would be her inability to sit in dental chairs and the amount of patients they see. My daughter uses a wheelchair, so positioning her in a dental chair would take some care, pillows would probably work. I do not have a problem with him suggesting an orthodontist with more experience with special needs. The problem is he never mentioned not being able to treat her at any other appointment. When we consulted with him about an expander, he said she wasn't a good candidate and her top and bottom jaw lined up fine. We were told to come back in a year for braces. Now we're being told her mouth is a mess and he can't help. I asked for referrals, but he said he was unfamiliar with anyone that could help. Other than being in a wheelchair, my daughter is a typical 12 year old. She does not have cognitive delays. I'm incredibly disappointed in how we were treated.
February 9, 2017
Dr. Han is amazing! Always extremely thorough and careful with me due to my TMJD! Absolutely fabulous!!!
January 9, 2017
My husband and I were both comfortable with Dr. Han. We felt like we completely understood what treatment our son would need, why and how it would go. We also understood why some preferred options would not be possible for our son.
December 10, 2016
assumed we wanted braces when it was a question, not an assumption. only presented one option. there must be other options.