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Learn More About Our Fairfield Dental Specialists

Yasmine Zaeni, DDS

Childrens Dentist

In the Children’s Department, Dr. Yasmine Zaeni and staff enjoy creating a warm, fun and informative atmosphere for our young patients and their family members. Dr. Zaeni, a bay area native, received her Bachelor’s degree in Molecular Biology from UC Berkeley. She then went on to the Pacific School of Dentistry in San Francisco for her dental training where she graduated with honors. Dr. Zaeni is a member of the American Dental Association, The California Dental Association and The American Academy of Pediatric Dentistry.

She believes in a gentle, patient, multi-faceted approach to complete oral health. In her free time, Dr. Zaeni enjoys skiing in the Sierra and spending time with her family. She looks forward to meeting you!

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Hengameh Karkhanechi, DDS


Dr. Karkhanechi is a certified orthodontist that has been living and practicing orthodontics in Northern California since 2001. “Dr K” received her Bachelor degree in Biochemistry and Cell biology from University of California, San Diego in 1994 with honors. In 1998 she graduated from University of California San Francisco School of Dentistry, where she received her Doctor of Dental Surgery Degree, she was given The Dean’s Award for her achievements in dental school. “Dr. K” went on to specialize in orthodontics in New York University, where she received her orthodontic degree in 2001.  Dr. K is a member of the American Dental Association, American Association of Orthodontics, California Dental Association and Pacific Coast Society of Orthodontics. In addition to practicing orthodontics, Dr. K is also an assistant clinical professor of Orthodontics at the University of California, San Francisco School of Dentistry.  Her involvement with academics allows her to have first hand exposure to the latest clinical and research techniques. When she is not practicing orthodontics, Dr. K enjoys spending time with her family. She loves skiing and enjoys swimming, hiking, cycling, painting, reading, and listening to music.. 

“As an orthodontist not only do I enjoy creating beautiful smiles, and healthy bites, but I also thoroughly take pleasure in meeting and connecting with my patients. I am passionate about orthodontics, because it’s an artful application of science coupled with patient care. At Parkside Dental our doctors, myself, and our great staff always try to take the extra step to provide top-notch care, and I truly feel that we are all rewarded everyday, when we’re creating beautiful smiles!”

Read about Orthodontics

Tyler T Boynton, DMD

Oral and Maxillofacial Surgeon

Dr. Boynton received his Doctorate in Dental Medicine from the University of Connecticut in 2009.  He then completed a General Practice Residency at the Veteran’s Hospital in Palo Alto, CA  as well as a four-year Oral and Maxillofacial Surgery Residency at the University of Connecticut. During his residency training, Dr. Boynton performed the full scope of Oral and Maxillofacial Surgery procedures and developed particular interest in the administration of anesthesia, dentoalveolar surgery, reconstructive and corrective jaw surgery, oral and maxillofacial pathology, and bone grafting and dental implant reconstruction. Dr. Boynton has lectured on various topics at society meetings and has taught dental and medical students via lectures and hands-on surgical anatomy courses.  He has also co-authored several book chapters as well as articles in peer-reviewed scientific journals. Dr. Boynton is certified in CPR, Advanced Cardiovascular Life Support, Pediatric Advanced Life Support and Advanced Trauma Life Support. He is a member of the American Dental Association, the California Dental Association, the Redwood Empire Dental Society, the American Association of Oral and Maxillofacial Surgeons and the California Association of Oral Maxillofacial Surgeons.

Dr. Boynton aims to provide compassionate care with his knowledge of the latest techniques in surgery, anesthesia and pain management.  He enjoys the outdoors and is an avid skier, hiker, golfer and SCUBA diver.

Read About Oral and Maxillofacial Surgery

Sarmad Paydar, D.D.S., M.S.

Dr. Paydar has lived in Northern California since 1998. He enjoys all things dental-related, and has worked abroad on several dental humanitarian trips. He loves living in Northern California, and spends his free time exploring, photographing the outdoors, and traveling with his wife, who is a family physician in Sacramento. He received his bachelors of science at the University of California Davis and went on to the University of California San Francisco (UCSF) school of Dentistry where he received his DDS, Periodontal surgery certificate and masters in Oral and Craniofacial Sciences. Dr. Paydar has many interests in dentistry including implant dentistry, soft tissue augmentations and various surgical procedures. His research area of interest is platelet rich fibrin (PRF) and bone healing. As an active member of American Academy of Periodontology, Dr. Paydar is passionate about quality dentistry and enjoys learning about new and innovative treatment modalities to better serve his patients.


Victor Hwang, DDS


Dr. Victor Hwang is a native of the East Bay Area. He was born in San Francisco and raised in Walnut Creek. He received his Bachelor's degree in Microbiology and Molecular Genetics at UCLA as an undergraduate. He attended Northwestern University Dental School in Chicago and received his Doctor of Dental Surgery degree in 2001. He decided to pursue further training in dentistry by completing a one year fellowship in general dentistry at the Harvard School of Dental Medicine in 2002. He returned to the Bay Area to practice full time in private practice as a general dentist for about 3 years in Pleasant Hill, California. During that period he also served as a part time clinical instructor at the UCSF School of Dentistry. After practicing general dentistry, he discovered his passion in dentistry was in endodontics. He continued his training and received his endodontic specialty certificate from the New York University College of Dentistry in New York City. Currently, he is a member of the American Association of Endodontists, California Dental Association, and Southern Alameda Dental Society. He was immediate President of the Northern Californa Academy of Endodontists (NCAE) in 2016 after serving on the board for the previous 3 years.