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
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.
Same-day
Emergency Care
DFW-wide
Coverage
Meet our specialists
Nick Khalilkhani, DDS, MS
Endodontic SpecialistDr. Nick Khalilkhani is passionate about dentistry and getting patients back to excellent oral health.
Kian Daghighi, DDS
Endodontic SpecialistDr. Kian Daghighi earned his dental degree from University of California, San Francisco.
Yasuhiko Kamura, DDS
Endodontic SpecialistDr. 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
Endodontic SpecialistDr. Poorya Jalali received his Doctorate of Dental Surgery (D.D.S)
Shirin Farhadian, DMD, MS
Endodontic SpecialistDr. Shirin Farhadian graduated from dental school from Semmelweis University in Budapest, Hungary.
Michael Eskander, DDS, Ph.D.
Endodontic SpecialistDr. Michael Eskander earned his dental degree and Ph.D. in Pharmacology from the University of Texas Health San Antonio.
Wade Knight, DDS, MS
Endodontic SpecialistDr. 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
Endodontic SpecialistDr. Sun Ho (Sunny) Kim received his dental degree with honors from the University of Pennsylvania School of Dental Medicine.
Sarang Saadat, DDS, DMD, MSD
Endodontic SpecialistDr. Saadat has been practicing dentistry since 2008. He graduated from the prestigious periodontics & implant surgery program of Virginia Commonwealth University.
Raven Wang, DDS
Endodontic SpecialistDr. 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
Endodontic Specialist
Jeannie Wang, DMD, MSD
Endodontic SpecialistDr. Wang received her DMD degree from Case Western Reserve University in Cleveland, Ohio.