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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

  • 5 star rating6 months later my son has no cavities yay !!!! They are patient and exclaim my son now 3 with many more questions and loved to be hands on they provide everything to make him feel in control love coming herey son n I feel safe and confidence

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    Celeste P. Avatar
    Celeste P.
  • Grateful my friend recommended Dr. Andriani. She is amazing & so is her staff!

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    Annie Vave
  • We’ve been taking our kids to see Dr Andrani since they were little and we all love her! She makes everyone feel so comfortable! I think that is a major plus since most people (adults included) hate seeing a dentist. THANK YOU “TEETH ARE US, Dr Andrani and staff for... read moreWe’ve been taking our kids to see Dr Andrani since they were little and we all love her! She makes everyone feel so comfortable! I think that is a major plus since most people (adults included) hate seeing a dentist. THANK YOU “TEETH ARE US, Dr Andrani and staff for being so FABULOUS!!! read less

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    myoung guillen
  • 5 star ratingAwesome dentist for my baby boy. This was my baby first visit experience. The office was busy but waiting room had many toys to keep kids entertained while waiting. Staffs are nice but need some more training to deal with young kids. The doctor assistant couldn't get x Ray done... read moreAwesome dentist for my baby boy. This was my baby first visit experience. The office was busy but waiting room had many toys to keep kids entertained while waiting. Staffs are nice but need some more training to deal with young kids. The doctor assistant couldn't get x Ray done because my baby was afraid of him. If he gave him some stuffs to play with or try to smile or spend some time with him at first or to get him curious, it would turn out different. Doctor was very caring and strict. She reminded me to brush my boys teeth twice a day, floss them well, brush his tongue and gum, no bottle to sleep or juice. She cleaned his teeth and told me there were no signs of cavity. She absolutely knows how to deal with kids even better than my pediatric doctors. She gave my boy toys and made him curious about everything. She also gave me a toothbrush that had its office name and floss. She wants every patient to have nice teeth. Strongly recommended. Definitely coming back. Btw, they will be soon moving to another location but still in the same area. read less

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    Celine N.
  • 5 star ratingI really loved Dr. Adriani, she was patient and thorough. Office is GREAT for kids. I have a super charged 15 month old and when I say great for kids, you can believe IT WAS GREAT FOR KIDS , and It was super clean!!! There's a separate lounge for kids... read moreI really loved Dr. Adriani, she was patient and thorough. Office is GREAT for kids. I have a super charged 15 month old and when I say great for kids, you can believe IT WAS GREAT FOR KIDS , and It was super clean!!! There's a separate lounge for kids with a wii and toys. The staff was very nice, super friendly and very helpful. I didn't have to wait very long, but I'd rather wait for Dr. Adriani than go somewhere else that's just my opinion. I would have waited all day she was that good. read less

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    M B.

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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