About the Doctors



Dr. Amir Larijani

Dr. Larijani has been practicing cosmetic, implant and family dentistry in Orange County for over ten years. He believes in giving patients a complete range of options to improve their oral health and enhance their smiles. Dr. Larijani believes in treating all of his patients with the highest level of service. His goal is to provide the finest dental care and the best dental experience.

Dr. Larijani received his Bachelors in Science from the University of California Irvine in 1995. He graduated from New York University College of Dentistry in 1999. Since then, Dr. Larijani has received extensive training in implant and cosmetic dentistry. Dr. Larijani is experienced and licensed in Oral Conscious Sedation. Dr. Larijani regularly takes continuing education courses and participates in professional seminars. He provides his patients the most advanced therapy and the best that the dental profession has to offer.

Dr. Larijani is a member of the Orange County Dental Society, the American Dental Association, the California Dental Association, the Collegium International Oris Implantatorium and he is the Co-founder of the Nobel Biocare Implants for General Practitioners Study Group.

Dr. Larijani is happily married and is fluent in Farsi. Some of his hobbies include traveling, philanthropy, collecting music, cooking, painting, poetry, playing percussion instruments, basketball, snorkeling and watching the Lakers overcome adversity.


Dr. Leif Loberg

Dr. Leif Loberg has extensive dentistry experience, and utilizes his expertise as an on-call specialist here at Santa Margarita Dental Group.

He is an important asset to our team, as an Oral Surgeon experienced and licensed in I.V. sedation and conscious sedation.

Dr. Loberg is an expert in clinical dentistry and in the area of fixed and removable prosthodontics. He is licensed in both Ontario, Canada, as well as in California, USA.


Dr. Alexander Chang

Dr. Alexander Chang grew up in Orange County and received his Bachelor of Science degrees in chemistry and biology from University of California, Irvine. He earned his Doctor of Dental Surgery degree from New York University College of Dentistry.

Since then, Dr. Chang has moved back to Orange County and has been practicing all areas of comprehensive dental care as a general dentist. Whether it is restorative or cosmetic dentistry, Dr. Chang’s goal is to provide the best care possible for his patients and make a positive impact to the community he grew up in.

Dr. Chang is currently an active member in American Dental Association, California Dental Association, Orange County Dental Society, Dental Organization of Conscious Sedation, and Chinese American Dental Society of Southern California. He is also certified for his completion of advanced training with the Dental Organization of Conscious Sedation.

Committed to his belief, Dr. Chang attends continuing education courses in order to utilize the most up-to-date knowledge and techniques to give back to the community through work and volunteering events. As a general dentist, it is most gratifying for Dr. Chang to see his work improve his patients’ quality of life one smile at a time.



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