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Meet Our Doctors

Dr. Andriani Ongkorahardjo

Dr. Andriani has been dealing with the oral hygiene needs of children for over twenty years. After graduating from USC School of Dentistry, receiving her CAGS in Pediatric Dentistry from Boston University, and receiving her Fellowship in Pediatric Dentistry from the University of Illinois at Chicago, she has been dedicating her career to providing the highest quality standards and the most modern techniques in Pediatric Dentistry. Her experience, knowledge, and dedication are only surpassed by her heartfelt desire to personally provide the highest quality of service in a fun, caring, friendly, and educational manner for each individual child.
Dr. Andriani comes from a family with a strong history in the medical field. Her father is a surgeon and her brother is an urologist. Despite the gentle coaxing from her family to enter the medical field, Dr. Andriani pursued dentistry with an emphasis in pediatrics. She has a deep desire to improve on the way children are care for and treated.

Dr. Alex Tu

Dr. Alex Tu graduated among the top of his class and received his doctorate degree in 1992 from University of Southern California Ostrow School of Dentistry. Dr. Alex loves working with children and completed his Pediatric Dentistry specialty training at USC in 2006. He is a part-time faculty member at USC School of Dentistry since 2008.
Dr. Tu is involved in the Children's Dental Health Clinic, a non-profit organization serving children and young adults in the greater Long Beach and South Bay areas who are economically disadvantaged or have challenges with accessing dental care.
Dr. Tu resides in Irvine with his wife, Wendy, and daughters Kristina and Claire. He enjoys spending his personal time doing yoga, traveling, and playing board games with his family.

Dr. Eric Wu

Dr. Eric Wu studied Chemistry at Pomona College, graduated magna cum laude, and was inducted into the national honor societies, Phi Beta Kappa and Sigma Xi. He continued his studies at Harvard University, where for four years he immersed himself in the art and science of medicine and dentistry. After graduating with a DMD and several notable distinctions, he moved back to California and trained at UCLA, devoting another three years to the study of orthodontics. Dr. Wu is focused on achieving perfection and finds immense joy in sculpting beautiful smiles and simultaneously improving the quality of life of his patients. Using the safest and most gentle techniques, he makes every effort to provide his patients not only the very best results but also a positive and fun experience throughout their treatment. Dr. Wu is well versed in all aspects of orthodontics, stays on top of the latest developments in dentistry and orthodontics, teaches at UCLA School of Dentistry, and is an active member of the American Association of Orthodontics (AAO), American Dental Association (ADA), and California Dental Association (CDA).

Testimonials

  • Dr Andri is the best. Besides being very professional, she is fun and sweet! Her bed side manners are impeccable, so are Alex’s. We love her! Staff is very nice and caring.The only thing I could think of as an improvement : is arriving on time, we always have... read moreDr Andri is the best. Besides being very professional, she is fun and sweet! Her bed side manners are impeccable, so are Alex’s. We love her! Staff is very nice and caring.The only thing I could think of as an improvement : is arriving on time, we always have to wait, but honestly it isn’t a deal breaker considering the full practice is awesome. Staff, dentist and equipment.The only reason we would change our dentist would be because of moving out of town. read less

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  • 5 star ratingMy son has an extreme fear of the dentist. Dr. Adriani and her staff were extremely professional and sensitive to my sons needs. They did everything possible to calm and comfort him as well as treating him wonderfully.They truely cared about my son and not about trying to add on... read moreMy son has an extreme fear of the dentist. Dr. Adriani and her staff were extremely professional and sensitive to my sons needs. They did everything possible to calm and comfort him as well as treating him wonderfully.They truely cared about my son and not about trying to add on extra costs for me to pay. I would definitely recommend Teeth R Us to anyone without any reservation. read less

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    David S.
  • 5 star ratingDr. Andriani is very friendly and have great connection with my girls. She is very informative and intellectual explaining to my girls how to clean and floss properly. My kids love her. Really recommended her, very experience specialist. Not forgetting the reward afterward, my girls love the reward. They can't... read moreDr. Andriani is very friendly and have great connection with my girls. She is very informative and intellectual explaining to my girls how to clean and floss properly. My kids love her. Really recommended her, very experience specialist. Not forgetting the reward afterward, my girls love the reward. They can't decided, varieties of selection. read less

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    Chris T.
  • 5 star ratingWe have been patients here for several years now and love them! When I tell my kids its time to see the dentist they get all excited to go to the nice office with the video games. The staff is friendly, Dr. Andriani is highly skilled, the office is clean... read moreWe have been patients here for several years now and love them! When I tell my kids its time to see the dentist they get all excited to go to the nice office with the video games. The staff is friendly, Dr. Andriani is highly skilled, the office is clean and modern. read less

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    OIivia H. Avatar
    OIivia H.
  • Friendly, trustworthy and they do great work. My 6 year old has been going here since he grew 2 teeth. He enjoys the vists. My son wants to be a dentist when he grows up. So that should say a lot.

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    Rosa Hearn

Opening Hours

Monday
CLOSED
Tuesday
9:00 am - to - 5:00pm
Wednesday
9:00 am - to - 5:00pm
Thursday
9:00 am - to - 5:00pm
Friday
9:00 am - to - 5:00pm
Saturday
8:00 am - to - 4:00pm
Sunday
CLOSED

Contact Info

660 N Diamond Bar Blvd, Suite 288
Diamond Bar, CA 91765

info@drandriani.com

Tel: (909) 396-0107
Fax: (909) 396-0094

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