Who We Are
Sigma Dental Clinic is a place where healthy, confident smiles come first. Under the leadership of Dr. Sepi Dashti, our dedicated team is committed to providing compassionate, high-quality dental care for patients of all ages. From preventive care to advanced restorative solutions and dental implants, we combine expertise with a gentle approach so every patient feels cared for and valued.
Your neighborhood general dentist in Chicago, providing care for the whole family.
From preventive cleanings to cosmetic treatments, we go beyond the basics to keep your smile bright.
Our restorative dentistry services bring back function, health, and beauty to damaged smiles.
Expertly placed dental implants give you a permanent, natural-looking solution to missing teeth.
Convenient appointments, flexible options, and an affordable dentist who puts patients first.
At Sigma Dental Clinic, we don’t just treat teeth; we care for people, building long-lasting relationships built on trust.
We are committed to providing exceptional dental care tailored to your needs at Sigma Dental Clinic. We believe every patient deserves outstanding treatment in a friendly and welcoming environment. Our dedicated team works hard to ensure that your experience with us exceeds expectations whenever you visit. We accept new patients and make sure the best care in every visit.
Your trusted solution for healthy smiles at every age.
Convenient location, Flexible hours, Simple booking process, Encourages regular visits, Reduces anxiety
We are committed to ensuring your satisfaction by delivering high-quality care and ensuring you always leave feeling happy.
Enjoy a comprehensive range of services, from general dental care to cosmetic treatments, all in one convenient location.
We understand that every patient is unique, which is why we take the time to create a personalized dental care plan tailored to your individual needs.
We are committed to delivering the highest quality care by utilizing cutting-edge technology in our practice. This investment allows us to offer more accurate diagnoses.
At Sigma Dental Clinic in Chicago, Dr. Sepi is more than just a dentist; she’s a trusted partner in your journey to a healthier, brighter smile.

Years of skill in general and cosmetic dentistry with proven results.

Results that protect your health and give you a reason to smile.

Clear communication, no surprises, and care that fits your budget.

A gentle touch and compassionate approach that eases dental anxiety.

Custom treatment plans designed for your unique needs and goals.

Advanced technology for safe, precise, and comfortable treatments.
You Can Count on Reliable and Professional Dental Care
At Sigma Dental Clinic, we are dedicated to helping you achieve a healthy, lasting smile with our advanced dental care. We provide comprehensive services for patients of all ages and offer specialized treatments beyond general dentistry. We aim to preserve your natural teeth and protect your mouth health forever. Every procedure is 100% guaranteed safe and secure.












EXCELLENT Based on 62 reviews Posted on Doina Dyra2025-06-04Trustindex verifies that the original source of the review is Google. Went to new Dentist Dr.Sepi Dashti beautiful new office with all new equipment updated and professional service. I highly recommend Dr. Sepi DashtiPosted on Chase Hudson2025-06-03Trustindex verifies that the original source of the review is Google. Dr. Dashti and team are really great! Super friendly and knowledgeable. The office is very clean. One of the best dental cleaning visits I’ve ever had!Posted on Homa Taghipour2025-05-31Trustindex verifies that the original source of the review is Google. I had a great experience with Dr. Sepi Dashti! She was really patient and took the time to explain everything about my dental issue and the treatment plan. The clinic was clean, modern, and very up-to-date, and everything was just so nice. I was super happy with the care I received and highly recommend her!Posted on Demonti Grant2025-05-28Trustindex verifies that the original source of the review is Google. Dr.Dashti is amazing! She’s really nice and gentle. She makes sure to go over everything with you so you can understand what’s she’s doingPosted on Marie McDonagh2025-05-23Trustindex verifies that the original source of the review is Google. I can't Say Enough how Great,, SIGMA DENTAL CLINIC ON Forster Ave "IS" Doctor Sepi Dashti, And Tonya And staff Took Such great care off me Answers all my Questions and Ease My Fears. From the first phone call,and Walking in To Clinic The Entire staff was outstanding Thank you Thank you Kind Regards Mary c McDonaghPosted on Janis Parker2025-05-13Trustindex verifies that the original source of the review is Google. What a wonderful experience I had there as a new patient. Dr. Dashti was kind and walked me through my dental exam. The exam itself was thorough and gentle. The staff were kind and I loved knowing this is a family business. I’m super excited to have found my new dentist!Posted on Greg2025-05-07Trustindex verifies that the original source of the review is Google. Dr. Sepi is hands-down the best dentist I’ve ever been to. She’s incredibly thoughtful, explains everything clearly, and the office is modern and spotless. The staff is kind and attentive, and appointments always run on time. Whether it’s a routine cleaning or something more involved, I always leave feeling confident in the care I’ve received. Grateful to have found this place!Posted on Mandy Miller2025-05-04Trustindex verifies that the original source of the review is Google. Had bad tooth pain and went to Sigma Dental Clinic The staff was super nice and helped me fast. Pain’s gone now—really grateful. Highly recommend!Posted on Jacqueline Rodriguez2025-04-29Trustindex verifies that the original source of the review is Google. From the moment I walked in the office I knew that I was in the right place. From checking in at the front desk to seeing the doctor they made me feel really comfortable and it was a really pleasant experience. The doctor explained my x-rays to me in so much detail, no other place has ever done that before, it was wonderful. I’ll definitely be going again.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
We make paying for your dental care easy!
At Sigma Dental Clinic in Chicago, your smile and peace of mind come first. We know navigating dental insurance can feel overwhelming, which is why our experienced team is here to make it simple. We proudly accept a wide range of insurance plans and will help you maximize your benefits so you can focus on your oral health, not paperwork.
Book Your Appointment Today and Discover Why Chicago Patients Call Us the top-rated dentist near me
Finding the best dentist in Chicago shouldn’t mean traveling far. At Sigma Dental Clinic, we’re proud to be easily accessible for patients across the city. Whether you’re coming from work, school, or home, our central location makes quality dental care simple and stress-free. We are well known in your community and neighbourhoods because we never compromise on hygiene.
Use the map below to find us quickly and plan your visit. Your healthy smile is just around the corner!