Your Pediatric Dentists

Dr. Yasaman H. Zadeh, La Mirada & Lakewood Children’s Happy Teeth Pediatric Dentistry

Dr Yasaman Zadeh

Dr. Yasaman Hassanizadeh earned her Bachelor of Science degree in Psychobiology from the University of California at Los Angeles (UCLA) in 2002 where she was an honor student. Dr. Yasaman continued her education at University of Southern California School of Dentistry (USC) where she received her Doctor of Dental Surgery degree. Dr. Yasaman completed her pediatric dental residency at Brookdale Hospital and Medical Center earning a specialty certificate in pediatric dentistry and Oral conscious sedation. Dr. Yasaman is passionate about providing positive and excellent dental care for her patients.

In her spare time, Dr. Yasaman enjoys traveling, skiing and reading.


  • University of Southern California School of Dentistry USC, Doctor of Dental Surgery
  • Brookdale Hospital and Medical Center, Pediatric Dental Residency Program

Membership and Affiliations

  • American Dental Association (ADA)
  • California Dental Association (CDA)
  • American Academy of Pediatric Dentistry (AAPD)
  • California Society of Pediatric Dentistry (CSPD)
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Dr. Siamak Eshaghian, DDS

Dr. Siamak Eshaghian

Dr. Eshaghian completed his undergraduate studies at UCLA and received his doctorate of dental surgery from the UCLA School of Dentistry. He then went on to do a General Practice Residency. He continued his studies by completing an extensive two-year general anesthesia residency program at Loma Linda University. This residency consists of various medical rotations and anesthesia training at the Loma Linda University Medical Center and other local area hospital operating rooms. Dr. Eshaghian has received extensive anesthesia training in dental surgery centers and offices, which has made him proficient in anesthetic management and techniques as they are used in the dental setting. During his training, Dr. Eshaghian has received extensive experience in treating pediatric, medically compromised, and special needs patients.

Dr. Eshaghian’s certifications:
Diplomate, American Dental Board of Anesthesiology
Basic Life Support
Advanced Cardiovascular Life Support
Pediatric Advanced Life Support

Dr. Eshaghian’s professional memberships and affiliations:
Member of the American Society of Dentist Anesthesiologists
Member of Alpha Omega International Dental Fraternity
Member of the American Dental Association
Member of the California Dental Association
Member of the Los Angeles Dental Society

Dr. Steve Choi, DDS, MD

Dr. Sunwoong Steve Choi, DDS, MD

Dr. Sunwoong Steve Choi completed his undergraduate education at the University of California, Los Angeles (UCLA), and received his Doctor of Dental Surgery degree from the University of Southern California (USC) in 2005. Selected as one of the most outstanding graduates of the University that year, he was elected into the Omicron Kappa Upsilon honor society.

Following his general dentistry training, Dr. Choi completed his 5 years Oral & Maxillofacial Surgery training at Case Western Reserve University in Cleveland, Ohio. During his specialty residency, Dr. Choi obtained a medical degree and also completed 1 year of general surgery training.

He is an active member of the American Association of Oral & Maxillofacial Surgeons, the California Association of Oral & Maxillofacial Surgeons, the American Dental Association and California Dental Association. Dr. Choi is both a licensed physician and a dental specialist. He is also licensed to administer general anesthesia.

Dr. Choi’s passion in clinical practice is facial reconstruction, dentoalveolar surgery, and dental implant surgery.