Dr Ng Yao Xuan Adabelle graduated from the National University of Singapore (NUS) with a Bachelor of Dental Surgery in 2013, and a Master of Dental Surgery (Orthodontics) in conjunction with a Membership in Orthodontics from the Royal College of Surgeons (Edinburgh) in 2018. She obtained her Specialist accreditation in 2021 and is registered with the Singapore Dental Council as an Orthodontist. She is also a member of the Association of Orthodontists (Singapore) and served on the Executive Committee from 2019 to 2023.

Dr Ng is currently a Consultant at Khoo Teck Puat Hospital and a Visiting Consultant at Woodlands Health. Her scope of work includes interceptive treatment in young children, braces and clear aligners in teen and adult patients, as well as multidisciplinary management of patients with missing teeth, impacted teeth and jaw discrepancies. She also participates in the multidisciplinary care of patients diagnosed with obstructive sleep apnoea (OSA) who require mandibular advancement devices and braces before jaw advancement surgery.​