Dr Aina obtained her Bachelor of Dental Surgery (BDS) from Universiti Malaya in 2013 and subsequently served with the Ministry of Health (MOH) Malaysia for about nine years. She pursued her postgraduate studies at King's College London, United Kingdom, where she obtained a Master of Science in Dental Public Health in 2020 and a Doctor of Philosophy (PhD) in Dental Public Health in 2026.

During her service with the MOH, Dr Aina gained extensive experience in clinical dentistry, community oral healthcare, oral health promotion, healthcare administration, and national oral health policy. She held various positions at district, state, and national levels, including serving as Assistant Director at the Melaka State Health Department and subsequently as Principal Assistant Director at the Oral Health Programme, MOH.

Dr Aina's research interests include dental public health, oral epidemiology, life-course research, oral healthcare utilisation, and oral health inequalities. She has particular interest in quantitative research, longitudinal data analysis, and causal inference to investigate oral health outcomes and their determinants. In recognition of her doctoral research, she received the IADR Newell W. Johnson Travel Award in 2025.

She also contributes to postgraduate research supervision, academic assessment, and the evaluation and validation of research instruments. She is actively engaged in academic publishing, serving as a peer reviewer for several international peer-reviewed journals and as a Copy Editor for the Annals of Dentistry University of Malaya.

Dr Aina is a member of the Malaysian Association of Dental Public Health Specialists (MADPHS), Malaysian Dental Association (MDA), and International Association for Dental, Oral, and Craniofacial Research (IADR). Drawing on her experience in public healthcare and academia, she is committed to advancing evidence-based dental public health research, translating research into policy and practice, and nurturing future dental professionals and public health researchers.