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


Development Of An Integrated Tam And Khan Model On The Intention To Use Blended Learning In Malaysian Orthodontic Postgraduate Programme.
Ph.D In Progress Main Supervisor
Expression Of Genetic Biomarkers And Leptin Hormone Changes Induced By Class Ii And Class Ii Intermaxillary Elastics During Orthodontics Tooth Movement..
Ph.D In Progress Main Supervisor
Factors Affecting Level Of Perceived Clinical Competency Attainment And Changes In Teaching-Learning Approach In Postgraduate Orthodontic Training During Covid-19 Pandemic: A Mixed-Method Study.
Ph.D In Progress Co-supervisor

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
2024 - Present Expression of Genetic Biomarkers and Leptin Hormone Changes Induced by Class II and Class III Intermaxillary Elastics During Othodontic Tooth Movement
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.



2024 Orthodontic patient’s perspectives, attitudes, and readiness toward teleorthodontics. Journal of International Oral Health, 16 (1) pp. 82-89
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),