Trusted Chicago Dentist in Avondale and Logan Square

Big Smile Dental has 30+ years of experience providing exceptional dental care. Our talented and caring team is committed to providing our patients with a comfortable, relaxed environment, answers to your dental questions, and a treatment plan that is customized for you - all resulting in a lifetime of big, beautiful, healthy smiles.

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Trusted Chicago Dentist in Avondale and Logan Square

Big Smile Dental has 30+ years of experience providing exceptional dental care. Our talented and caring team is committed to providing our patients with a comfortable, relaxed, environment, answers to your dental questions, and a treatment plan that is customized for you - all resulting in a lifetime of big, beautiful healthy smiles.

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What Our Patients Say

More reviews from google 5 star review by Martha L.
4.8 196 reviews


Wonderful!! Always wonderful!! It's been 30 years now since we first came to Big Smile Dental. Every visit is always met with kind and courteous help at the front desk. I always feel very cared for and the care is gentle. I live 40 miles away from Logan Square now, but I still travel to see Dr. Siegel because I trust him as a person and as a professional. I trust my family to his care!
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Complete Dental Services in Chicago

Big Smile Dental is dedicated to providing comprehensive and quality dental care to our patients in Chicago and surrounding areas such as Logan Square and Avondale. We focus on improving your oral health and confidence in your smile. Dr. Siegel and the Big Smile Dental practice are specialists in Family and Cosmetic Dentistry as well as Orthodontics, Periodontics, and other dental procedures.

  • Trusted Brands: We are certified providers for Invisalign aligners and Lumineers, Da Vinci, and MAC veneers.
  • For Veneers, having the right material is important. Big Smile Dental provides quality porcelain veneers for your smile makeover.
  • Big Smile Dental Perks:

  • Teeth Whitening in one 1-hour session
  • Sit back and relax into treatment in a massage chair with headphones, music, movies, and more.
  • Young patients can play in a comfortable play in a comfortable play area while waiting to see Dr. Siegel.
  • Senior discounts
  • Insurance coverage and payment plan options
  • Hablamos Español

Award-Winning Chicago Dentist

Dr. Theodore Siegel's extraordinary skills have decorated him with many awards and honors. A 1984 graduate of the University of Illinois, he has consistently stayed up-to date on the latest dental technologies and techniques by completing 2000+ hours of continuing education. An active participant of the dental community, Dr. Siegel is a member of the Dentist in Chicago Society, Illinois State Dental Society, the American Dental Association, and the Academy of Gp Orthodontics.


Dr. Siegel has also been featured on Fox in the Morning, NBC 2 News, ABC 7 News, WGN 9 news, the Chicago Sun Times, and the Chicago Tribune. Most recently he has appeared on the cover of "Doctors of Dentistry" and has been named the official dentist of both the Miss Chicago & Illinois Pageants.


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Frequently Asked Questions

You'll find that most procedures are covered by a variety of dental and medical insurance plans. Please call 773-938-5908 and our helpful office staff is happy to assist you in filling our your insurance forms to assure that you receive proper reimbursement from your carrier. Click for more Payment Plan Options
Yes. Dr. Phalguni Patel and Dr. Gina Kim. Read more about Our Doctors
Unfortunately, we do not. Learn more about our Office Hours

Want a Beautiful Smile? ...


It is waiting at Big Smile Dental in Chicago. Call to schedule your comfortable, complimentary consultation with Dr. Siegel or one of our other experienced dentists.