Modern. Minimally Invasive.
Made Just for Kids.
Welcome to Big Little Teeth Pediatric Dentistry, a warm, modern pediatric dental office in Foster City created by Dr. Judyth Lee and Dr. Esther Yun. We combine advanced dental technology, minimally invasive techniques, and a child-centered approach to give your family the highest quality pediatric dental care — in an environment designed to help kids feel safe, confident, and understood.
Dr. Lee and Dr. Yun believe dentistry should be gentle, preventive, and personalized for every child. Our state-of-the-art systems allow us to diagnose early, treat conservatively, and make each visit efficient and comfortable for parents and kids.
Meet the Team
Dr. Judyth Lee and Dr. Esther Yun first met as dental school classmates at Tufts University School of Dental Medicine and quickly became friends. After graduating, they went their separate ways until Dr. Esther relocated to the Bay Area and reconnected with Dr. Lee. Their aligned philosophies and complementary strengths made it clear that opening a practice together was a natural fit. That connection led to the creation of Big Little Teeth Pediatric Dentistry, where they now provide thoughtful, modern care to families in Foster City and the surrounding communities.
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Dr. Judyth Lee
PEDIATRIC DENTIST
With her gentle touch and playful demeanor, Dr. Lee brings a calm, reassuring presence to every visit. She’s passionate about minimally invasive dentistry and believes that small, thoughtful steps can make a big difference in a child’s lifelong relationship with their oral health. Her interest in airway-focused dentistry gives her a whole-child perspective, allowing her to support not just healthy smiles, but healthy growth, breathing, and sleep.
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Dr. Esther Yun
PEDIATRIC DENTIST
As a mother of two and a member of the diverse Foster City community, Dr. Yun understands firsthand that every child and every family is unique. She strives to create a warm, welcoming environment where children feel safe, supported, and empowered to take part in their own oral health. Her clinical approach emphasizes patience and building trust, ensuring that each visit is a positive experience for both children and parents.
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Phillip Yun
OFFICE MANAGER
Having lived on the east coast for many years, Phillip now lives in Foster City with his Jindo dog, Tofu. He brings over eight years of experience working in pediatric dental offices, and his genuine, kid-at-heart personality allows him to easily connect with children and help them feel at ease.