Akurasi Metode TCI Khoman Terhadap Estimasi Usia 17–25 Tahun Menggunakan Radiograf Panoramik

Authors

  • Yosephine S. Sinaga Universitas Sam Ratulangi
  • Erwin G. Kristanto Universitas Sam Ratulangi
  • Ryan I. Tunggal Universitas Sam Ratulangi

DOI:

https://doi.org/10.35790/61a81622

Keywords:

caninus; molar; premolar; radiograf panoramik; Tooth Coronal Index Khoman

Abstract

Abstract: Tooth Coronal Index (TCI) is an age estimation method in forensic identification that has been adapted by Khoman for the Indonesian population. This study aimed to assess the accuracy of Khoman's TCI method in estimating the chronological age of individuals aged 17–25 years using panoramic radiographs of mandibular canines, premolars, and molars. This was a quantitative and observational study with a cross-sectional design. The study was conducted on 90 radiographs at Indrasari Rengat Regional Hospital, Indragiri Hulu Regency, Riau, using linear regression analysis and correlation tests. The results showed varying levels of accuracy, with premolars showing the best performance compared to the other teeth. The combination of the three types of teeth provided the optimal results with an accuracy rate of 70%, higher than canines (54%), premolars (60%), and molars (58%). In conclusion, the combination of mandibular canines, premolars, and molars using the Khoman TCI method on panoramic radiographs can be used as a non-invasive approach for age estimation in late adolescents.

Keywords: canine; molar; premolar; panoramic radiograph; Khoman Tooth Coronal Index method

 

Abstrak: Tooth Coronal Index (TCI) merupakan metode estimasi usia dalam identifikasi forensik yang telah disesuaikan oleh Khoman untuk populasi Indonesia. Penelitian ini bertujuan menilai akurasi metode TCI Khoman dalam memperkirakan usia kronologis individu usia 17–25 tahun menggunakan radiograf panoramik pada gigi caninus, premolar, dan molar rahang bawah. Penelitian ini menggunakan metode kuantitatif observasional dengan desain potong lintang yang dilakukan pada 90 radiograf di RSUD Indrasari Rengat, Kabupaten Indragiri Hulu, Riau, dengan analisis regresi linear dan uji korelasi. Hasil penelitian memperlihatkan bahwa tingkat akurasi bervariasi, dengan premolar menunjukkan performa terbaik dibandingkan gigi lainnya. Kombinasi ketiga jenis gigi memberikan hasil optimal dengan tingkat akurasi 70%, lebih tinggi dibandingkan caninus (54%), premolar (60%), dan molar (58%). Simpulan penelitian ini ialah kombinasi gigi caninus, premolar, dan molar rahang bawah menggunakan metode TCI Khoman pada radiograf panoramik dapat digunakan sebagai pendekatan non-invasif untuk estimasi usia remaja akhir.

Kata kunci: caninus; molar; premolar; radiograf panoramik; Tooth Coronal Index Khoman

Author Biographies

  • Yosephine S. Sinaga, Universitas Sam Ratulangi

    Program Studi Pendidikan Dokter Gigi Fakultas Kedokteran Universitas Sam Ratulangi, Manado, Indonesia

  • Erwin G. Kristanto, Universitas Sam Ratulangi

    Bidang Ilmu Kedokteran Forensik dan Medikolegal Fakultas Kedokteran Universitas Sam Ratulangi, Manado, Indonesia

  • Ryan I. Tunggal, Universitas Sam Ratulangi

    Program Studi Pendidikan Dokter Gigi Fakultas Kedokteran Universitas Sam Ratulangi, Manado, Indonesia

References

1. Nudel I, Pokhojaev A, Hausman BS, Bitterman Y, Shpack N, May H, et al. Age estimation of fragmented human dental remains by secondary dentin virtual analysis. Int J Legal Med. 2020;134(5):1853–60. Doi: https://doi.org/10.1007/s00414-020-02366-1

2. Agematsu H, Someda H, Hashimoto M, Matsunaga S, Abe S, Kim HJ, et al. Three-dimensional observation of decrease in pulp cavity volume using micro-CT: age-related change. Bull Tokyo Dent Coll. 2010;51(1):1–6. Doi: https://doi.org/10.2209/tdcpublication.51.1

3. Ikeda N, Umetsu K, Kashimura S, Suzuki T, Oumi M. Estimation of age from teeth with their soft X‐ray finding. Nihon Hoigaku Zasshi. 1985;39(3):244‐50. Available from: https://pubmed.ncbi.nlm.nih.gov/4087521/

4. Drusini AG, Toso O, Ranzato C. The coronal pulp cavity index: a biomarker for age determination in human adults. Am J Phys Anthropol. 1997;103(3):353-63. Doi: https://doi.org/10.1002/(SICI)1096-8644(199707)103:3<353::AID-AJPA5>3.0.CO;2-R.

5. Nagi R, Jain S, Agrawal P, Prasad S, Tiwari S, Naidu GS. Tooth coronal index: Key for age estimation on digital panoramic radiographs. J Indian Acad Oral Med Radiol 2018;30(1):64‐7. Doi: https://doi.org/10.4103/jiaomr.jiaomr_139_17

6. Khoman JA. Estimasi usia 16–70 tahun menggunakan metode Tooth Coronal Index pada radiograf periapikal [Tesis]. Jakarta: Universitas Indonesia; 2015. Available from: https://lib.ui.ac.id/detail?id=20415564

7. Azizah BN. Analisis uji estimasi usia 8-25 tahun menggunakan rumus metode tooth-coronal-index-khoman dibandingkan dengan metode atlas Blenkin Taylor [Skripsi]. Jakarta: Universitas Indonesia; 2018. Available from: https://lib.ui.ac.id/detail?id=20482637&lokasi=lokal

8. Shany LP. Uji estimasi usia 8–16 tahun menggunakan rumus TCI-Khoman dibandingkan dengan metode Demirjian [Skripsi]. Jakarta: Universitas Indonesia; 2018. Available from: https://lib.ui.ac.id/detail?id=20481797&lokasi=lokal

9. Izzetti R, Nisi M, Aringhieri G, Crocetti L, Graziani F, Nardi C. Basic knowledge and new advances in panoramic radiography imaging techniques: a narrative review on what dentists and radiologists should know. Appl Sci. 2021;11(17):7858. Doi: https://doi.org/10.3390/app11177858

10. Rondon RH, Pereira YC, do Nascimento GC. Common positioning errors in panoramic radiography: A review. Imaging Sci Dent. 2014;44(1):1-6. Doi: https://doi.org/10.5624/isd.2014.44.1.1

11. Różyło-Kalinowska I. Panoramic radiography in dentistry. Clin Dent Rev. 2021;5(1):26. Doi: https://doi.org/10.1007/s41894-021-00111-4

12. Yolanti RI, Sitam S, Wandawa G, Pramanik F. Estimasi usia prajurit TNI AL berdasarkan Tooth Coronal Index pada digital radiograf panoramik. Jurnal Radiologi Dentomaksilofasial Indonesia. 2020;4(3):61-6. Doi: https://doi.org/10.32793/jrdi.v4i3.591

13. Bjelopavlovic M, Reder SR, Fritzen I, Brockmann MA, Hardt J, Petrowski K. Forensic age estimation: A multifactorial approach in a retrospective population study. Diagnostics (Basel). 2023;13(12):2029. Doi: https://doi.org/10.3390/diagnostics13122029

14. De Tobel J, Fieuws S, Hillewig E, Phlypo I, Verstraete K, Thevissen P. Multi-factorial age estimation: A Bayesian approach combining dental and skeletal magnetic resonance imaging. Forensic Sci Int. 2020;306(1):110054. Doi: https://doi.org/10.1016/j.forsciint.2019.110054

15. Sukhwani J, Deoghare A, Fating C, Jha SK, Biranjan R. Evaluation of tooth coronal index bicervical diameter in mesiodistal direction & modified kvaals method for age and gender determination using digital panoramic radiographs: A retrospective study. IP Int J Maxillofac Imaging. 2020;6(3):71-8. Doi: https://doi.org/10.18231/j.ijmi.2020.019

16. Savitri Y, Astuti ER, Putra RH, Wahyuni OR, Saputra D, Mardi SW, et al. Estimasi usia menggunakan metode Tooth Coronal Index (TCI) gigi premolar dua dan molar satu rahang bawah dengan pengamatan panoramik dan periapikal. Dentomaxillofacial Radiology Dental Journal. 2016;7(1):19-24. Available from: https://repository.unair.ac.id/108250/1/Artikel%2058.%20Estimasi%20usia%20menggunakan%20metode%20Tooth%20Coronal%20Index%20%28TCI%29%20gigi%20premolar%20dua%20dan%20molar%20satu%20%20rahang%20bawah%20dengan%20pengamatan%20panoramik%20dan%20periapikal.pdf

17. Nudel I, Pokhojaev A, Bitterman Y, Shpack N, Fiorenza L, Benazzi S, et al. Secondary dentin formation mechanism: the effect of attrition. Int J Environ Res Public Health. 2021;18(19):9961. Doi: https://doi.org/10.3390/ijerph18199961

18. Mattalitti SFO, Anas R, Mahmudin N. Uji perbedaan ukuran ruang pulpa gigi menggunakan radiografi periapikal dengan usia kronologis pasien di RSIGM FKG UMI. IJOH: Indonesian Journal of Public Health. 2024;2(2):180-6. Available from: https://jurnal.academiacenter.org/index.php/IJOH/article/download/328/352/706

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Published

2026-10-23

Issue

Vol. 15 No. 1 (2027): e-GiGi

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Articles

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Copyright (c) 2026 Yosephine S. Sinaga, Erwin G. Kristanto, Ryan I. Tunggal

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How to Cite

Akurasi Metode TCI Khoman Terhadap Estimasi Usia 17–25 Tahun Menggunakan Radiograf Panoramik. (2026). E-GiGi, 15(1), 112-120. https://doi.org/10.35790/61a81622