New Patient Special*

Includes cleaning, x-rays and exam.
20% Off

Invisalign Treatment*

Limited to first ten patients each month.
$10.00 Unit

Botox Special*

Applies to all first time Botox Treatments

Current Specials!

*Call us at 773-772-8400 for details.

Best Chicago Dentist

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.

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.

What Our Patients Say

Trusted Brands

We are certified providers for Invisalign aligners, Lumineers, Da Vinci, and MAC veneers.

Quality Veneers

For Veneers, having the right material is important. Big Smile Dental provides quality porcelain veneers for your smile makeover.

1 Hour Sessions

Teeth whitening in one 1-hour session

Relaxing Treatment

Sit back and relax into treatment in a massage chair with headphones, music, movies, and more.

Play Area for Kids

Young patients can play in a comfortable play area while waiting to see Dr. Siegel.

Senior Discounts

Senior Citizens enjoy a 10% courtesy fee reduction for payment in full at the start of treatment.

Insurance & Payment Plans

You’ll find that most of our procedures are covered by various dental and medical insurance plans. Our helpful office staff will be happy to assist you in filling out your insurance forms to ensure that you receive proper reimbursement from your insurance carrier. For your convenience, we also offer the payment options for those without dental insurance.

Hablamos Español

Estamos orgullosos de brindar excelente atención y servicio dental a nuestra comunidad de habla hispana en un ambiente donde se sienten bienvenidos.

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 in 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. He was also featured on the cover of “Doctors of Dentistry” and has been named the official dentist of both Miss Chicago and Miss Illinois Pageants.

Before & After Transformations

Office Hours

Monday and Friday

9:30 am – 5:00 pm

Tues, Wed and Thur

9:30 am – 6:00 pm


9:00 am – 2:00 pm