smiles on randolph - crown point, IN


Orthodontic solutions at Smiles on Randolph are customized to help you straighten your teeth. We offer traditional metal or ceramic brackets as well as Invisalign, a leading brand of clear aligners. These options paired with our state-of-the-art technology ensure that we will find a solution to straighten your teeth and give you the smile of your dreams! 

When looking to straighten your smile our team will help you in choosing the most advanced solution. We utilize a state-of-the-art digital scanner to not only eliminate the need for messy impressions, but also allow you and us to preview your final smile after treatment! With options such as traditional metal brackets, ceramic brackets, or clear aligners with Invisalign, our team will find the right approach for you! 


With clear aligners as an option, you no longer have to feel self-conscious about having braces. At Smiles on Randolph we have partnered with Sure Smile to give our patients the best care with clear aligners. 


With our state-of-the-art digital technology,  our staff is able to provide you with the ability to see what your smile will look like after treatment even before any work has taken place. Rest assured, you wont have any surprises.


Braces can straighten your teeth while changing many other aspects of your smile, giving you total transformation. At Smiles on Randolph we provide you with care from beginning to end leaving you with a beautiful smile.

meet the doctor

Transforming smiles is my favorite part about dentistry. Giving patients something that brings them self-confidence is incredibly rewarding.

Dr. Chanbo Sim Signature

head of smiles on randolph

Dr. Chanbo Sim is a professional member of the American Dental Association, the Indiana Dental Association, the Northwest Indiana Dental Society, and the International Association of Orthodontics.

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Dr. Chanbo Sim, DDS

Transforming Your Smile With Braces

Orthodontics at Smiles on Randolph

Our Smiles on Randolph team offers a comprehensive orthodontic package for patients who get either traditional braces or Invisalign. Our packages include periodic visits needed to monitor your progress, two sets of post-treatment retainers, an electric toothbrush to keep your teeth and gums healthy, and a teeth whitening treatment after you have completed your orthodontic journey. Our personalized orthodontic packages will give you the straight, brilliant smile you want to bring you the confidence you deserve! 

Words from

Crystal B.

Review from yelp

Dr. Sim and his staff are the best! The office is a super friendly, family oriented place! If you're looking for a dentist to take care of your entire family this is the place to be.

Giovanni P.

review from yelp

I always feel comfortable when I go in. I always feel right at home, never any problems. Dr. Sim is great! Everyone always has a smile.

Barbara V.

review from Yelp

Dr. Sim is amazing! I absolutely love this dentist office. His dentistry is high quality, friendly staff, great atmosphere! Pain free dentistry at its finest!!

schedule your appointment now

Don’t delay in getting the smile of your dreams! Smiles on Randolph is ready to see you for your orthodontic appointment today.