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.
Dr. Sepi Dashti is a distinguished Chicago dentist, recognized for her expertise in General and Cosmetic Dentistry. In short, she is the heart of Sigma Dental Clinic, proudly serving the communities in Chicago, IL.
Dr. Dashti’s dental journey began early. First, she graduated from a prestigious dentistry program in 2008. Subsequently, she spent over a decade running a thriving private practice abroad. However, her commitment to dental excellence brought her home to Chicago, where she expanded her skills at the University of Illinois at Chicago, College of Dentistry.
As a result, Dr. Dashti is now known as one of Chicago’s top dentists. Furthermore, she is celebrated for her meticulous approach and dedication to exceptional patient care.
Dr. Dashti’s professional philosophy centers on compassionate, patient-centered care and continuous learning. Specifically, she strongly emphasizes preventive dental practices and promotes oral health awareness throughout the Chicago area.
Ultimately, her mission is clear: to make high-quality, accessible dental care a reality for everyone.
On a personal note, Dr. Dashti enjoys spending time with her loved ones, cooking, and exploring the outdoors.
You Can Count on Reliable and Professional Dental Care
At Sigma Dental Clinic, we are dedicated to helping you achieve a healthy, lasting smile through personalized, comprehensive dental care. We provide preventive, restorative, cosmetic, and advanced dental treatments for patients of all ages. Our goal is to preserve your natural teeth, improve your oral health, and provide comfortable, high-quality care using modern dental techniques and technology.












At Sigma Dental Clinic, our approach is entirely educational. During your visit, Dr. Sepi uses high-definition intraoral cameras and ultra-low-radiation digital X-rays to project crystal-clear images of your teeth live onto our treatment room television screens. She walks you through your dental health step by step, showing you exactly what she sees. You will never have to guess about your treatment, giving you complete clarity, comfort, and control over your smile journey.
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
Yes, we accept Medicaid and welcome patients from across Chicago. Our team is happy to help you understand your coverage and get the care you need.
Medicaid may cover services like exams, cleanings, fillings, and other essential treatments. Coverage can vary, so we recommend contacting our office to verify your specific benefits.
Absolutely. You can call our office to book an appointment at a time that works for you. We also offer flexible scheduling options based on availability.
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!