smiles on randolph - crown point, IN

general dentistry

General dentistry, such as cleanings and fillings, are just two of the main reasons why many of our patients have trusted our Smiles on Randolph team with their teeth for years. We take pride in making sure our patients receive warm, comfortable care to help eliminate future problems and continue to have beautiful healthy smiles. Contact us today to learn more about how we can serve you.

Smiles on Randolph performs comprehensive oral examinations so we can identify potential problems during your routine general dentistry visits. We offer dental cleanings and periodontal care, as well as sealants and fluoride treatments, and oral cancer screening options. In addition, we also treat TMJ Disorders with night guards as well as small areas of decay with dental fillings. If you’re nervous, we provide sedation dentistry options to keep you at ease and comfortable throughout your visit with us.


At Smiles on Randolph we provide everything from dental cleanings, to oral cancer screenings, fluoride treatments and sealants to help in prevention of tooth decay and dental disease. We strive to keep our patients teeth healthy and strong. 


Our Crown Point Indiana practice offers various TMJ Disorder treatments in addition to your regular dental treatments. Receiving the proper care for these disorders can relieve many aches and pains and prevent further damage to the teeth.


With over 30 years of experience, Dr. Sim can easily catch small areas of decay  in the beginning stages and repair with simple fillings. Catching these issues early can help in the prevention of a future dental emergency.

meet the doctor

I am committed to providing conservative, comfortable dental care to all of my patients. I genuinely enjoy my work because I care about my patients.

Dr. Chanbo Sim Signature

dr. chanbo sim, dds               

head of smiles on randolph

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

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Indiana Dental Association
Dr. Chanbo Sim, DDS

your top dental office in indiana

General Dentistry at Smiles on Randolph

At Smiles on Randolph, Dr. Chanbo Sim utilizes state-of-the-art technology to conserve and restore your smile. Preventing problems is the easiest way to keep a smile healthy and strong, and we offer night guards for TMJ disorders such as clenching or grinding. Our digital x-rays and adjunct pre-cancer screening tools help us see things that the naked eye cannot. General dentistry is more than just cleanings and fillings, it’s maximizing your time when you’re in our chair!

Words from

Souyma G.

Review from yelp

This was a no brainer. Their service is second to none! I love Dr. Sim and his wonderful staff. They are professional, knowledgeable, friendly, and personable.

Tara A.

review from google

I’ve been going here for years and have never had a hygienist, assistant, or office personal that I didn’t like. Dr. Sim works incredibly hard and it shows. He and his staff are wonderful, you couldn’t pay me to go to another practice.

Steve G.

review from Yelp

The staff was very friendly, attentive, relatable, and professional. They made us both feel comfortable and we laughed the whole way through.  

schedule your appointment now

Smiles on Randolph is ready to help you begin your healthy smile journey. Contact us today to schedule your routine appointment.