Dr. Leong was a part-time clinical instructor with the Undergraduate Dental Clinics at the University of Michigan School of Dentistry (2009-2011) and also a part-time clinical instructor at Nanyang Polytechnic’s Dental Hygiene and Therapy Program (2007-2008). She is also active in having her clinical and basic science research writing published in scientific journals and has contributed several chapters in a couple of popular dental specialty textbooks. She is an ad-hoc reviewer for International Journal of Periodontics and Restorative Dentistry, Clinical Oral Implants Research and Journal of Periodontal Research. Dr Leong is also a Board Member of the Singapore Dental Health Foundation.