About Doctor and Staff

David M. Pokras, D.D.S.


Dr. Pokras has practiced Endodontics since 1996. He was trained in micro-surgical endodontics at the U.C.L.A. School of Dentistry, where he graduated with highest honors. He earned his Bachelor of Science degree from U.C.L.A., and then completed his formal dental studies at the University of the Pacific School of Dentistry in San Francisco, where he graduated at the top of his class also with highest honors. Currently he is an Associate Professor at the U.C.L.A. School of Dentistry when he is not practicing in our offices.

Dr. Pokras is a past President of the Conejo Valley Academy of Dentistry and is a member of the American Association of Endodontists, the American Dental Association, the California Dental Association and the Santa Barbara/Ventura County Dental Society. Our doctors are certified to lecture and provide lectures and credits for continuing education.

Greg L. Trnavsky. D.D.S.


Dr. Trnavsky returned to the Conejo and Simi Valleys after completing his postgraduate residency in micro-surgical endodontics at the University of Southern California School of Dentistry. He completed his undergraduate studies at California State University at Fullerton, and went on to receive his dental training at the University of Southern California School of Dentistry. Prior to his speciality training in endodontics, he practiced general dentistry in Simi Valley and Westlake Village.

Dr. Trnavsky is a past President of the Santa Barbara/Ventura County Dental Society. He is also a past President of the Conejo Valley Academy of Dentistry and is a member of the American Association of Endodontists, the American Dental Association, the California Dental Association and the Santa Barbara/Ventura County Dental Society. Our doctors are certified to lecture and provide lectures and credits for continuing education.

Roya Ghahraman, D.D.S.


Dr. Ghahraman completed her undergraduate degree at Duke University with a major in Biology and a minor in Spanish. She continued her studies at the University of Maryland Dental School where she graduated magna cum laude. Dr. Ghahraman further completed her specialty training in endodontics at the University of Maryland in 2005.

Dr. Ghahraman is a member of Omega Kappa Upsilon dental honorary society. She also continues to actively participate in the latest advances in endodontics in various study clubs, continuing education courses and national meetings. Dr. Ghahraman is a member of the American Association of Endodontists, the American Dental Association, the California Dental Association, the Santa Barbara/Ventura County Dental Society and Conejo Valley Academy of Dentistry.

Sophia Kang, D.D.S., M.S.D.


Dr. H. Sophia Kang completed her undergraduate studies at University of California, Berkeley. She received her dental training at University of Southern California School of Dentistry, where she was inducted into Omega Kappa Upsilon, a national dental honorary society, which is given to only the top of each graduating class. After receiving her DDS degree, she further pursued specialty training in Endodontics at Loma Linda University School of Dentistry, CA.

Having grown up in Southern California, she looks forward to serving and becoming a part of the Conejo Valley community and plans to stay involved in academia when not practicing in the offices. Dr. Kang is a member of the American Association of Endodontists, the American Dental Association, the California Dental Association, the Santa Barbara/Ventura County Dental Society and Conejo Valley Academy of Dentistry.

A little something our team offers to our patients.

We are proud to be a multi-lingual office. Languages spoken in our office are: English, Spanish, Farsi, Korean and Russian.

Years Of Dedication

Most of our wonderful staff have been with us for many years. We applaud them for their loyalty to our practice and patients. They are an amazing group of people and a family of friends. To thank them for their years of service and dedication, we offer our staff a longevity gift of travel for every 5 year benchmark. Many have already enjoyed their years of service thank you gift/gifts from the doctors of the Southern California Endodontic Group and used them to celebrate their honeymoon, wedding anniversary or just because!

We sincerely appreciate our staff for always being there to see that we have the help that we need to give you the service and care you deserve.

Continuous 5+ years of service: Marie – 19 years, Sharon – 18 years, Trina – 17 years, Angela – 13 years, Kelly – 12 years, Amber 10 years, Lizbeth – 9 years, Lucia – 8 years

Returning employees: Sharon – 18 years, Amber – 10 years, Lucia – 8 years, Kelly – 12 years, Gwen – 4 years

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