Dr. Bien Lai Wen Pui is a Senior Consultant and Head of the Paediatric Dentistry Unit at the National Dental Centre Singapore (NDCS). With a career marked by excellence, she specializes in children's dentistry, addressing conditions like early childhood caries, dental trauma, and using innovative treatments like silver diamine fluoride. Dr. Lai holds a BDS from the National University of Singapore and an MSc in Pediatric Dentistry from the University of North Carolina, where she earned her certification in Pediatric Dentistry and became board-certified by the American Board of Pediatric Dentistry.

Dr. Lai's contributions extend beyond clinical practice. She has served on numerous committees, including the Dental Specialist Accreditation Board, and has been recognized with prestigious awards like the National Medical Research Council’s New Investigator Grant. Her research focuses on infant oral health, preventive dentistry, and care for children with special healthcare needs. Dr. Lai’s compassionate and evidence-based approach underscores her dedication to advancing pediatric dental care in Singapore.