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220 W. Laguna Road
Fullerton, CA 92835

Dr. William Y. Chen D.D.S.

Dr. John R. Lythgoe D.D.S.

Dr. Jeffrey Kawilarang D.D.S.

Dr. Dale Jung D.D.S.


At Sunny Hills Endodontics, our mission is simple: To perform to the highest standards of endodontic care in the most compassionate and attentive manner.



We put patient comfort first, making pain-free care a priority. Specializing in root canal therapy, we provide the highest quality of care while putting our patients at ease and making their endodontic experiences positive. Our office also works closely with your general dentist and other specialists in order to restore your optimal oral health.


Thank you for visiting the Sunny Hills Endodontics website. We believe the resources we've gathered here provide a wealth of information in the field of endodontics that can help you become better informed about your care.

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"Easiest dental work I've ever had, and the entire team was great!"


"I feel a million times better after going to Sunny Hills Endodontics, and the staff was so nice and helpful. Thank you!"


“Excellent service & the staff were courteous & helpful. I will definitely recommend this office to others.”


“Everyone in the office was professional & friendly. “
“I appreciate the way you & your staff take the time to put me at ease. Great atmosphere & the staff are hilarious. I almost forgot that I was in for a root canal.”
“I can’t believe that I’m going to be saying this, but I had a great time getting my root canal. The assistant & doctor made my treatment enjoyable.”  

 “Best root canal ever!! It was definitely better than getting a filling.”


“The staff is great. I love them all.”


“Thank you for a calm and uneventful experience!”


“I just want to thank the office as a whole for the pain-free experience.”


“Had an amazing experience! This was my very first root canal and it went as good as I could have imagined.”


“I would like to thank everyone for their patience. They were able to calm my nerves by creating a peaceful environment.”


“Thanks! Your office inspires confidence & is VERY comforting in a stressful time!”


“It was the first time getting a root canal and it was pain-free. Enough said.”


“I was very happy with the overall treatment. I have already recommended this office to my friends.”


“Excellent. The doctor was understanding and patient with me during the whole treatment. The assistant comforted me and never left my side during my nervous state.”


“Everyone there is great! I really did’t know what I was getting myself into when I went in for my appointment. But the receptionists & assistants kept me well-informed about the procedure and what to expect. I definitely recommend this office for root canals.”


“Everyone made me feel comfortable. Thank you!”


“Thanks Sunny Hills for your patience and courtesy.”


“I’m very impressed with the entire office. Thank you very much.”


“Such great service! The staff was professional and friendly, and not to mention, the treatment was pain-free.”


“The doctor, dental assistant & receptionist were all excellent, very caring knowledgeable people. Excellent people!! I really enjoyed coming in here!!”


“It was pain free and I had a great time. How many people can say that about their root canal?!”


“The interior of the office is wonderful and clean. The staff was friendly and courteous. Thanks for saving my tooth.”


220 W. Laguna Road
Fullerton, CA 92835