About Sigma Dental Care

Specialists you can trust, care you can feel.

Endodontic and periodontal specialists proudly serving Dallas–Fort Worth with a people-first approach to specialty dental care.

Our story

Sigma Dental Care was built around a simple idea: specialty dental care should feel personal, not clinical. Our team of board-certified endodontists and periodontists combines advanced training with a calm, patient-first approach.

From same-day emergency relief to long-term periodontal treatment, we work closely with your general dentist to protect your smile for the long run — across 10 locations throughout DFW.

Every patient who walks through our doors is treated with the same promise: clinical excellence, delivered with compassion.

What we stand for

We combine clinical excellence with a people-first approach — creating a supportive environment where you feel heard, respected, and cared for.

Specialists you can trust

Board-certified endodontists and periodontists with advanced training and expertise.

Comfort comes first

A calmer experience with gentle techniques and a focus on your well-being.

Care that's connected

We partner with your general dentist to support your long-term oral health.

Locations
10

Same-day

Emergency Care

DFW-wide

Coverage

Meet our specialists

A collaborative team of endodontists and periodontists dedicated to your care.
Nick Khalilkhani, DDS, MS

Nick Khalilkhani, DDS, MS

Endodontic Specialist

Dr. Nick Khalilkhani is passionate about dentistry and getting patients back to excellent oral health.

Kian Daghighi, DDS

Kian Daghighi, DDS

Endodontic Specialist

Dr. Kian Daghighi earned his dental degree from University of California, San Francisco.

Yasuhiko Kamura, DDS

Yasuhiko Kamura, DDS

Endodontic Specialist

Dr. Yasuhiko Kamura received his Doctorate of Dental Surgery (D.D.S) in 2010, and he received his Certificate in Endodontics from Columbia University College of Dental Medicine in New York in 2017. Dr. Kamura is

Poorya Jalali, DDS

Poorya Jalali, DDS

Endodontic Specialist

Dr. Poorya Jalali received his Doctorate of Dental Surgery (D.D.S)

Shirin Farhadian, DMD, MS

Shirin Farhadian, DMD, MS

Endodontic Specialist

Dr. Shirin Farhadian graduated from dental school from Semmelweis University in Budapest, Hungary.

Michael Eskander, DDS, Ph.D.

Michael Eskander, DDS, Ph.D.

Endodontic Specialist

Dr. Michael Eskander earned his dental degree and Ph.D. in Pharmacology from the University of Texas Health San Antonio.

Wade Knight, DDS, MS

Wade Knight, DDS, MS

Endodontic Specialist

Dr. Wade Knight was born and raised in North Texas. After finishing high school, Dr. Knight enlisted in the United States Marine Corps, serving active duty for 6 years.

Sun Ho (Sunny) Kim, DMD, MS

Sun Ho (Sunny) Kim, DMD, MS

Endodontic Specialist

Dr. Sun Ho (Sunny) Kim received his dental degree with honors from the University of Pennsylvania School of Dental Medicine.

Sarang Saadat, DDS, DMD, MSD

Sarang Saadat, DDS, DMD, MSD

Endodontic Specialist

Dr. Saadat has been practicing dentistry since 2008. He graduated from the prestigious periodontics & implant surgery program of Virginia Commonwealth University.

Raven Wang, DDS

Raven Wang, DDS

Endodontic Specialist

Dr. Raven Wang was born and raised in Taiwan where she completed dental school and a GPR residency. She then moved to California and completed an Endodontic residency at UCLA.

Issam Ghaben, DMD

Issam Ghaben, DMD

Endodontic Specialist

 

Jeannie Wang, DMD, MSD

Jeannie Wang, DMD, MSD

Endodontic Specialist

Dr. Wang received her DMD degree from Case Western Reserve University in Cleveland, Ohio.