Staff Directory

Siti Hajjar Binti Nasir

Academic Qualification

  • MsD in Orthodontics - Masters Degree (Clinical Specialist), Cardiff University
  • Master of Dental Science in Orthodontics - Masters Degree, Cardiff University
  • Bachelor Degree in Dental Surgeon - Bachelor Degree, Universiti Sains Malaysia (USM)

Siti Hajjar Binti Nasir (Dr.)

Assistant Professor
IIUM Kuantan Campus


Other's position:

Head of Department, Kulliyyah of Dentistry

Area of Specialisation

  • Medical And Health ~ Medical And Health Sciences ~ Dentistry ~ Orthodontics

Professional Membership

  • 2016: Member of Profesional Body / Association: (Member), Royal College of Surgeon of Edinburgh

Teaching Responsibilities

DISSERTATION ORTHODONTICS 2023/2024 2022/2023 2021/2022
ORTHODONTICS 2023/2024 2022/2023 2021/2022 2019/2020 2018/2019 2017/2018 2015/2016
ORTHODONTICS YEAR 3 2023/2024 2022/2023 2021/2022 2020/2021 2019/2020 2018/2019
ORTHODONTICS YEAR 4 2023/2024 2022/2023 2021/2022 2020/2021 2019/2020 2018/2019
ORTHODONTICS YEAR 5 2023/2024 2022/2023 2021/2022 2020/2021 2019/2020
Research Project 2018/2019

Research Projects

2019 - 2023 Healing potential and the predictability of obturation with GuttaFlow Bioseal. An in vitro study.
2019 - 2023 Specific orthodontic tooth movement (OTM) biomarkers-related gene expression and hormonal changes induced by mechanical transduction on various mechanisms of orthodontic traction
2017 - 2020 Dental condition of children conceived through assisted reproductive technology (ART).
2016 - 2019 Analysis Of Dental Malocclusion And Treatment Outcome Observed in IIUM Orthodontic Specialist Clinic
2022 - Present Factors Affecting Level of Perceived Clinical Competency Attainment and Changes in Teaching-Learning Approach in Postgraduate Orthodontics Training During Covid-19 Pandemic: A Mixed Method Study
2022 - Present Development of an Integrated Tam and Khan Model on the Intention to Use Blended Learning in Malaysian Orthodontic Postgraduate Programme
2020 - Present An integrated acceptance model for the intention to use e-learning system in Malaysian orthodontic postgraduate programs.



2023 Demographic of orthognathic cases seen in Kulliyyah of Dentistry IIUM. Journal of Orofacial and Health Sciences, 4 (2) pp. 113-125
2022 Disinfection protocols of irreversible. hydrocolloid: effect on Candida count and dimensional accuracy. IIUM Journal of Orofacial and Health Sciences, 3 (Supp. 1) pp. 41
2021 Endodontic-orthodontic interrelationship: a review.. IIUM Journal of Orofacial and Health Sciences, 2 (2) pp. 70-81
2021 Metal release of standard and fake orthodontic braces: an in vitro study. IIUM Medical Journal Malaysia, 20 (2) pp. 75-80
2020 The effect of resting morphological lip shape during lip movement: A three-dimensional motion analysis study. Heliyon, 6 (6) pp.
2020 The effectiveness of pure Stichopus horrens extract toothpaste in reducing plaque-induced gingivitis following orthodontic bonding : A triple-blinded randomized controlled trial. Journal of the World Federation of Orthodontists, 9 (1) pp. 3-8
Conference or Workshop Item

2022 Orthodontic patient's perspective, attitude and readiness towards tele-orthodontics. In: 11th Dental Students' Scientific Conference,
2022 Validity evidence of CAT-LC Scale in evaluating clinical competency attainment and teaching-learning changes during COVID-19 pandemic. In: IIUM Research and Innovation Day 2022,
2021 Disinfection protocol on irreversible hydrocolloids: effect on bacteria count and dimensional accuracy. In: The 10th Dental Students' Scientific Conference,
2021 Disinfection protocols of irreversible hydrocolloid: effect on candida total cell count and dimensional accuracy. In: The 4th International Conference on Oral Microbiology and Oral Immunology,
2021 Effect of water temperature and quality on the setting time of alginate impression materials. In: 10th Dental Students' Scientific Conference,
2020 Prevalence of malocclusion and associated habits in 4 to 6-year-old preschool children in Kuantan, Pahang. In: 9th IIUM Dental Students' Scientific Conference 2020,
2019 Surgical-first approach in skeletal class III malocclusion - a case report. In: Chang Gung Forum 2019 - The 7th International Workshop on Surgery-First Orthognathic Surgery,
2018 Elemental and microstructural analysis of fake, real, and standard orthodontic brackets. In: The 2nd Physics And Technologies In Medicine And Dentistry Symposium (PTMDS) 2018,
2018 The effectiveness of pure stichopus horrens (Gamat) extract toothpaste in reducing plaque induced gingivitis post orthodontic bond-up: a triple-blinded randomized controlled trial. In: 24th Malaysian Association of Orthodontists International Scientific Conference & Trade Exhibition (24th MAOISCTE),