About Us

Sylvania Dental is a group of four state-of-the-art dental facilities located in Central California. Our offices maintain the highest standards and offer the newest technologies, including digital X-rays that reduce radiation exposure by nearly 90% and intra-oral cameras so you and your insurance providers can see the areas to be treated.

We also specialize in cosmetic dentistry including white fillings, porcelain crowns and bridges. In addition, our dental team has extensive experience with pediatric dentistry and can provide oral sedation, nitrous oxide, as well as IV Sedation or General Anesthesia with a Board Certified Dental Anesthesiologist for you and your children’s comfort. We strive for excellence in every aspect to make your experience with us pleasant and your smile beautiful and natural.

Besides English, our office staff can also speak Spanish, Tagalog, Chinese (Mandarin & Cantonese), Portuguese, Pujabi, Hindi, and Vietnamese.

We are currently accepting new patients of all ages and offer a first -time patient discount as well as a senior discount. Appointments are recommended to ensure that you are seen in a timely fashion.

Dr. Sylvania Yu

Dr. Sylvania Yu

Dr. Sylvania Yu graduated from University of California School of Dentistry in San Francisco, one of the most prestigious institutions in the world. In addition to having extensive experience working at Happy Bear Surgery Center in Tulare, pediatric and adult dental offices in Bakersfield, Fresno, Madera, Visalia, Modesto, Merced, San Francisco and Los Angeles, she is also experienced in oral sedation, nitrous oxide administration, invisalign, as well as traditional braces. Dr Yu is passionate about her work and always committed to the highest standard of care. Her gentle manners and ability to relate to patients easily make her the favorite dentist for many of the patients she has worked with.

During her spare time, Dr Yu likes to explore the outdoors. Biking, hiking, snorkeling, and snowboarding are all her favorite pastimes. Despite her busy schedule, Dr Yu has always been volunteering to do free dental work for under-served families that can not afford dental care, in the U.S and abroad.

Outside work, Dr. Yu’s favorite thing to do is playing with her three young boys Warren, Benjamin and Charlie.

Dr. Jimmy Duong is a native of San Jose, where he graduated as class Valedictorian of Piedmont Hills High School. He earned a B.S. in Psychobiology from UCLA and went on to attend the NYU College of Dentistry for his dental education. He graduated among the top of his class.

He completed a general practice residency (GPR) at the Greater Los Angeles VA Hospital (West LA). His girlfriend has introduced him to the Central Valley, where he practices now.

In his free time, Dr. Duong likes to spend time with his girlfriend and family. He also enjoys traveling and reading.

Dr. Jimmy Duong

Dr. Tho Bui

Dr. Tho Bui obtained his Doctorate in Dental Surgery degree from the University of California, San Francisco’s School of Dentistry. He has been practicing general dentistry for the past seven years.

Dr. Bui is highly regarded for his compassion and his integrity. His number one priority is to provide the highest quality treatment in the most comfortable setting possible. His thoughtful attitude enables patients to remain at ease while receiving dental treatment. His knowledge base and caring personality are strengths that help him in addressing any questions that patients may have pertaining to their oral health and treatment plan. Dr. Bui believes it is important to explain oral health and its treatment to encourage patients to take an active role.

Dr. Bui recently became the father, and enjoys spending time with his little girl. His other hobbies include traveling, photography, solving puzzles, sports, and spending time with friends and family. In the last few years he has traveled to France, England, Italy, Thailand, Japan, Vietnam, Hong Kong, and Mexico. He is always eager to learn and engage in new things, places, and people.


Dr.Thomas K.Wong graduated with his Doctorate of Dental Surgery (DDS) with distinction in 1996, from New York University where he received the Bernard E.Rudner Award for his clinical excellence in comprehensive care and applied practice management (CCAPA). He began his career as a civilian working with the Dept.of Defense receiving invaluable specialized training from Periodontists and Prosthodontits. He has provided care working with the D.O.D. in Germany where he treated our armed forces personel and children on a daily basis. He continued on with the US Coast Guard in 2001 where he received service recognition awards for his dedication to the dental health of the men and women serving the USCG in Florida and Texas. Returning back to the West coast, Dr. Wong pursued his career in the private office setting in California.

Dr. Thomas Wong

He has a wide range of training in multiple disciplines in dentistry which includes the latest in cosmetic dentistry, Veneers, crown and bridge, removeable dentures and implant restorations. He understands the importance of medical considerations of his patients and works with each patient on an individual basis. He is an active member of the Academy of General Dentistry and he pursues continuing education to advance the scope of his practice continually. He actively participates in clinical courses at the University of Southern California in Los Angeles, as well as attends annual Meetings with the AGD and yearly Symposiums in implant dentistry. He attends hands on clinical training in courses and lectures given by Bethesda Naval Hospital as well as at SanDiego.

Dr. Wong enjoys exploring new places and meeting new people. His interests include theatre and cinema, music, skiing and cycling as well as photography. He and his staff are pleased to be able to provide the best comprehensive dental care for his patients here at Sylvania Dental in Merced as he provides services from basic dental needs to emergencies, as well as advanced crown & bridge and implant restorations.

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