Our Specialists
Experience 5-Star Care from Premier Doctors
Meet The 5-Star-Rated Southern California's Dentists
Our dentists are one reason we are Simply Better.
Aria Dental is at the forefront of advancement in cosmetic dentistry and provides excellence in dentistry while remaining cost-effective for our patients. Our professional team of family & Cosmetic dentists and American Board-Certified Specialists are highly skilled clinicians who provide you with the best general and cosmetic procedures with the latest innovations in all disciplines of dental care, and they work closely with you to provide customized treatment planning. The combination of expertise, collaboration with all specialists in one office, and access to the latest technology allow us to offer our patients more specialized care and faster result. We are deeply committed to patients’ satisfaction and feel that our strongest asset is the relationship we develop with our patients.

Maryam Horiyat, DDS.
Holistic, Biological, Cosmetic & General Dentist
Dr. Horiyat, IAOMT & IABDM Certified & Accredited Member Dentist
Orest F. DDS.
Top Implant Specialist in Southern California with More Than 20 Years of Experience!
Postgraduate from the Implantology Program at the European Academy of Implantology in Germany in 1997. Graduated from the School of Dental Science at the University of Medicine at Timisoara in 2004. Taught Intensive pre-board dental courses at New York University’s School of Dentistry. Learn More
Dr. George Istaphanous, MD
American Board-Certified Anesthesiologist & Pediatric Anesthesiology
George Istaphanous, MD s an Anesthesiologist who completed medical school at St. George University in 2002. Following his education, Dr. Istaphanous was board certified by the American Board of Anesthesiology and has been in practice for over 21 years. Learn More
John Schwab, MD
American Board-Certified Anesthetiologist
Dr. John Schwab earned his Doctorate of Dental Surgery at the University of Minnesota School of Dentistry. He completed a residency in periodontics and a post-graduate clinical residency at the Mayo Clinic in Rochester, MN.
Nina Y. DDS.
Certified in Progressive Orthodontics
Dr. Nina Yu received her Doctor of Dental Surgery (DDS) from the University of California, San Francisco in 2000. Dr. Yu is also certified in Progressive Orthodontics.
Dr. Yu strives to provide general and progressive orthodontics and strives to provide exceptional care for her patients of any age.
Dr. Shebli Mehrazarin
Board-Certified Periodontist and American Board-Certified Anesthetiologist
Dr. Shebli Mehrazarin is a Board-Certified Periodontist and Dental Implant Specialist and a Diplomate of the American Board of Periodontology and a Diplomate of the Academy of Osseointegration.
Dr. Shebli was born in Berlin, Germany and grew up in Orange County, California. He received his Bachelor of Science degree in Biochemistry from UCLA, and then pursued a rigorous joint clinical and research training program at the UCLA School of Dentistry, where he earned both his Doctor of Dental Surgery degree and a Doctor of Philosophy degree in Oral Biology. Dr. Shebli completed his specialty residency training in Periodontics and Implant Surgery and a Master of Science
Degree in Periodontics at Columbia University, where he was appointed as Chief Resident and was awarded the Kenneth L. Siegel Award, Ralph S. Kaslick Award, and Appel Medal for Excellence in Periodontics.
Dr. Shebli has extensive experience in all facets of periodontal and dental implant surgery and strives to provide minimally invasive surgical treatment to his patients, including LANAP laser periodontal therapy. He is dedicated to keeping up to date with the latest techniques and technology in order to provide the best treatment options and service to his patients. Dr. Shebli is married, and when he is not seeing patients, he enjoys cooking, swimming, traveling, and spending quality time with his wife and son.
Connie L.
Registered Dental Hygienist
Connie L. graduated with honors as a Registered Dental hygienist in 2014. After graduation, she continuously worked as an RDH and became part of Aria Dental in 2023. Prior to achieving her RDH degree, Connie worked in OR as Anesthesiologist in China for eight years and immigrated to the United States in 1997.
As a professional dental hygienist, Connie focuses on her patient’s comfort, and oral health, and provides personalized services and the highest quality dental care in the most gentle and enthusiastic manner possible. She loves working as a Registered Dental Hygienist as well as a Master Personal Trainer at 24-Hour Fitness. In her free time, she enjoys working out, standup paddle-boarding, and volunteering at local community organizations.
John George Barsha
Registered Dental Hygienist
John George Barsha, RDH, is a dedicated dental hygienist committed to providing comprehensive and personalized oral care. With expertise in preventive dentistry and patient education, he focuses on maintaining optimal oral health through thorough cleanings, periodontal care, and tailored hygiene advice. John’s compassionate approach and attention to detail ensure a comfortable and positive experience for every patient.
Excellent Cosmetic Dentists & American Board-Certified Specialists
- General & Cosmetic Dentist
- Implantologist
- Board-Certified Orthodontist
- Board-Certified Periodontists
- Board-Certified Endodontists
- Board-Certified Periodontists & PerioLase LANAP® Certified
- Board-Certified Anesthesiologist
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Our Real Patients' Stories
Our Patients Are Saying...
EXCELLENT Based on 285 reviews Jackie D2025-03-26Trustindex verifies that the original source of the review is Google. The care and customer service is genuine and caring. It's an experience that leaves me feeling like a human and not a number. phyllis wilson2025-03-19Trustindex verifies that the original source of the review is Google. This the most remarkable dentist office I've ever gone to! So very glad I was referred to Dr Horiyat!!!! Brilliant Doctor. Thank you for your service!!! Jill McGovern2025-03-18Trustindex verifies that the original source of the review is Google. Simply the best! Casey Condia2025-03-14Trustindex verifies that the original source of the review is Google. Dr. Horiyat and her team are amazing! We felt so comfortable from the moment we arrived. Dr. Horiyat has a wealth of knowledge that ranges from pediatrics all the way to adults. We are grateful to have found Aria Dental! Amanda Hock Simpson2025-03-06Trustindex verifies that the original source of the review is Google. Everyone is so friendly and polite at this office. I received excellent advice about products and they made a great tooth guard for my teeth. it is much lighter and made of better materials than the one I used to have. Very good experience. Antonio “Tony” VAl2025-02-22Trustindex verifies that the original source of the review is Google. Went in for standard cleaning was the most pleasant cleaning I've ever had at dentist. Tools were sharp, no excess pressure simple and to the point erin Wilson2025-02-13Trustindex verifies that the original source of the review is Google. It was truly a great experience. I learned so much from the doctor. She Is super smart and took the time to teach me so much about my child 's teeth and overall health and how everything is linked. It was so interesting to learn all of this. I am setting up an appointment for myself and my older son now. I felt like we were in really good hands and look forward to learning more about how to take care of our teeth to become healthier people. My son is 4 and 1/2 years old and they worked with him so calmly and gently that he was actually happy to be there And allowed them to work on with him without a fuss. I was very impressed . Also, every staff member there was very pleasant. I highly recommend Aria Jessica Soltanieh2025-02-08Trustindex verifies that the original source of the review is Google. Dr. Maryam and her team Shima and Steve are unlike any other dental experience. The technology and level of care is outstanding. Their laser cleaning and ozone treatments are state of the art along with the many other procedures I’ve had with them so far. I am saving up to continue to complete all my dental care with them. Highly recommend! Desiree G2025-02-06Trustindex verifies that the original source of the review is Google. Outstanding Holistic Biological Dentist & Caring Staff! I absolutely recommend seeing Dr. Horiyat! From the moment you walk in, you’re greeted by a warm and welcoming staff who truly care about your well-being. The office has a calming atmosphere, and their approach to dentistry is unlike any other—thoughtful, thorough, and focused on whole-body health. Dr. Horiyat is incredibly knowledgeable about holistic and biological dentistry, taking the time to explain everything in detail and ensuring that treatments are safe, non-toxic, and tailored to my overall health. They use the latest biocompatible materials and advanced techniques to provide excellent care without compromising wellness. The staff is equally amazing—kind, professional, and made sure I felt comfortable and informed.
Get On The Path to Better Dental Health!
We proudly provide the highest level of holistic and biological care toward a whole-body approach to wellness by utilizing the safest and ultra-biocompatible materials, superior methods, and minimally invasive techniques.