ผศ.ดร.ทพญ.ศิริลาวัณย์ โต๊ะนาค
Asst. Prof. Dr. Sirilawan Tohnak
E-mail : sirilawant@nu.ac.th
Present Employment:
Naresuan University, Faculty of Dentistry, Department of Oral Diagnosis
Education:
2012 Doctor of Philosophy in Information Technology, The University of Queensland, School of Electrical Engineering, Brisbane, Australia
2004 Master of Engineering (Biomedical Engineering), Faculty of Engineering, Mahidol University
2001 Doctor of Dental Surgery, Khon Kaen University, Faculty of Dentistry
Academic positions:
Naresuan University, Faculty of Dentistry, Department of Oral Diagnosis
2018 Assistant Professor
2001 Lecturer
Administrative positions:
2023-Now Associate Dean for Academic Affairs
2010-2019 Associate Dean for Academic Affairs
Areas of interest:
Dentomaxillofacial radiology, Image processing
Publications:
1. Piriyakhuntorn, R., Tohnak, S., Kriangkrai, R., Norchai, P., Sasimonthon, W., & Sakulratchata, R. (2025). Prospective assessment of premolar eruption rates following extraction of deciduous predecessors affected by pathological root resorption Journal of Clinical Pediatric Dentistry, 49(1), 143-150.
2. Sakulratchata R., Saelow D., Banyat S., Wongto S., Sappracha A., Kriangkrai R., Norchai P., Tohnak S. (2024).Progression of proximal caries in primary molars using the radiographic ICDAS: a retrospective cohort study. European Archives of Paediatric Dentistry: official journal of the European Academy of Paediatric Dentistry, 25(3), 327-334.
3. Khummoon, P., Tohnak, S., Deepho, C., Worasakwutiphong, S., & Naivikul, S. (2024). Accuracy of extraoral bitewing compared with histopathology in proximal caries detection of primary molar teeth. Asian Health, Science and Technology Reports, 32(1), 92-101.
4. Tantanapornkul, W., Tohnak, S., Deepho, C., Wamasing, P., Sopapornamorn, P., & Suwannakul, S. (2024). Morphometric changes in a sample of various age groups of the Thai Population: A panoramic radiographic study. The Open Dentistry Journal, 18(1), e18742106338724.
5. Wiwatcharoen, K., Tohnak, S., Deepho, C., Wongviriya, A., Ketpan, K., Puapichartdumrong, P. & Wisithphro, K. (2024). Effect of mandibular inclination on CBCT artifact presented in endodontically-treated teeth. Journal of International Dental and Medical Research, 17(1), 283-290.
6. Daroonpan, P., Kaomongkolgit, R., Tantanapornkul, W., Tohnak, S., Yiamwattana, I., & Chansamat, R. (2024). Treatment needs of Thai dental patients aged 55 years and older. Journal of International Dental and Medical Research, 17(1), 352-356.
7. Pornprom, A., Pumklin, J., Tohnak, S., Piyapattamin, T., & Wirojchanasak, S. (2024). Association of bone loss severity with signs of occlusal trauma in teeth with reduced periodontium. Journal of International Dental and Medical Research, 17(1), 196-202.
8. Na Ayudhya, C. C., Teerawong, C., Kaomongkolgit, R., Tantanapornkul, W., Wamasing, P., Deepho, C., & Tohnak, S. (2024). Comparison of intraoral sites reached by different mouthwash administration methods. Journal of International Dental and Medical Research, 16(4), 1573-1577.
9. Tantanapornkul, W., Tohnak, S., Deepho, C., Wamasing, P., & Chansamat, R. (2023). Application of dental age assessment based on the radiographic visibility of the root pulp in lower molars in Thai population. Journal of International Dental and Medical Research, 16(1), 241-245.
10. Tohnak, S., Tantanapornkul, W., Wongkasikam, C., Chansampao, S., Thongsuk, S., Thiansuwan, T., & Piyapattamin, T. (2023). An association between osteoporosis and the mandibular cortical bone among post-menopausal women as revealed by pixel intensity imagery in panoramic radiograph. Journal of International Dental and Medical Research, 16(4), 1647-1651.
11. Kornsombut, N., Totiam, P., Tohnak, S., Wayakanon, K., Pipatphatsakorn, M., Sungkapreecha, S., & Narakaew, T. (2022). The pilot study of proximal initial dental caries measurement correlates with grayscale values of digital bitewing radiography. Journal of International Dental and Medical Research, 15(1), 103-106.
12. Tantanapornkul, W., Kaomongkolgit, R., Tohnak, S., Deepho, C., & Chansamat, R. (2021). Dental age assessment based on the radiographic visibility of the periodontal ligament in lower third molars in a Thai sample. The Journal of Forensic Odonto-stomatology, 39(2), 32.
13. Hanmongkhonsin, N., Tohnak, S., Tantanapornkul, W., Wirojchanasak, S., Puapichartdumrong, P., & Piyapattamin, T. (2021). Comparison of Image Negatives and Brightness Enhancement for Temporomandibular Joint Visualisation in Lateral Cephalometric Digital Radiography. Journal of International Dental and Medical Research, 14(3), 1073-1078.
14. Tantanapornkul, W., Kaomongkolgit, R., Tohnak, S., Deepho, C., & Chansamat, R. (2021). Chronological age assessment based on the root pulp visibility in lower third molars in a group of Thai population: panoramic radiographic study. The Open Dentistry Journal, 15(1), 591-594.
15. Deepho, C., Tohnak, S., Kaomongkolgit, R., Chansamat, R., & Tantanapornkul, W. (2020). The infraorbital ethmoid (Haller's) cells in a group of Thai patients: Panoramic radiographic study. Journal of International Dental and Medical Research, 13(2), 566-570.
16. Tantanapornkul, W., Kaomongkolgit, R., Tohnak, S., Promma, L., & Chantarangsu, S. (2020). Erupted compound odontoma associated with missing tooth: A rare case report. Journal of Dentistry Indonesia, 27(1), 46-49.
17. Hanmongkhonsin, N., Tohnak, S., Pumklin, J., Puapichartdumrong, P., Sirijaroenpun, S., Tansalarak, R., Sedtasuppana A, & Piyapattami, T. (2019). A simplified tool for screening the patients with temporomandibular disorders: A Pilot study. In The 20nd National Graduate Research Conference (pp 905-912).
18. Tohnak, S., Totiam, P., Phengjan, J., Sunkom, C., & Wamasing, N. (2018). A pilot study of grayscale value to differentiate cavitated carious lesion from non-cavitated lesion. Journal of International Dental and Medical Research, 11(2), 445-448.
19. Tohnak, S., Ngamwannagul, P., Worasakwutiphong, S., Chompuk, L., & Kruamak, T. (2017). Bilateral mucous retention cysts: A case report and overview. Journal of the Medical Association of Thailand, 100(10), 1139-1143.
20. Tohnak, S., Mehnert, A., Mahoney, M., & Crozier, S. (2011). Dental CT metal artefact reduction based on sequential substitution. Dentomaxillofacial Radiology, 40(3), 184-190.
21. Tohnak, S., Mehnert, A., Mahoney, M., & Crozier, S. (2009). Dental identification system based on unwrapped CT images. 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 3549-3552.
22. Tohnak, S., Mehnert, A., Mahoney, M., & Crozier, S. (2007). Synthesizing dental radiographs for human identification. Journal of dental research, 86(11), 1057-1062.
23. Tohnak, S., Mehnert, A., Crozier, S., & Mahoney, M. (2006). Synthesizing panoramic radiographs by unwrapping dental CT data. 2006 International Conference of the IEEE Engineering in Medicine and Biology Society, 3329-3332.
