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Janhom, Apirum
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Dentistry

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Age Estimation Methods In Forensic Odontology Duangto, Phuwadon; Janhom, Apirum; Prasitwattanaseree, Sukon; Mahakkanukrauh, Pasuk; Iamaroon, Anak
Journal of Dentistry Indonesia Vol. 23, No. 3
Publisher : UI Scholars Hub

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Age estimation, using forensic odontology, is a crucial step for biological identification. Currently there are many methods available to predict the age of deceased or living persons, each with varying accuracy, such as a physical examination, radiographs of the left hand, and dental assessments. Age estimation, using radiographic tooth development, has been found to be a more accurate method because it is mainly genetically influenced and as such is less likely to be affected by nutritional and environmental factors. The Demirjian et al. method for dental age estimation, using radiological techniques, has long been the most common protocol used in many populations. This method, which is based on tooth developmental changes, is a straightforward process as different stages of tooth development are clearly defined. This article aims to elaborate on the Demirjian et al. method of age estimation using tooth development as a guide.
Fractal Analysis of Subchondral Cyst at Mandibular Condyle Detected on Panoramic Radiograph in A Group of Thai Population Wijanarko, Aloysius Putut; Srimawong, Preeyaporn; Pornprasertsuk-Damrongsri, Suchaya; Janhom, Apirum
Journal of Dentistry Indonesia Vol. 29, No. 2
Publisher : UI Scholars Hub

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Objectives: This study aimed to analyze subchondral cyst on the mandibular condyle using fractal dimension (FD) measurement on a panoramic radiograph. Methods: This retrospective study examined 15 patients aged 24 to 75 years who had undergone panoramic radiography and cone-beam computed tomography on both sides of the mandibular condyles, between January 2013 and November 2017, in the Oral and Maxillofacial Radiology Clinic, Dental Hospital, Mahidol University. These 15 patients, all of whom had a subchondral cyst on one side of the mandibular condyle, constituted both the study and control groups: the 15 affected sides constituted the study group, and the 15 unaffected sides constituted the control group. The FD of both groups was calculated by two investigators using ImageJ version 2.0x. Results: The average age of the subjects was 47.47 ± 15.99 years. The mean FD value was 1.306 ± 0.133 in the study group and 1.409 ± 0.858 in the control group. The FD values were significantly different between these groups (p-value 0.016). Conclusion: The FD values of mandibular condyle were lower in patients with subchondral cysts than in healthy patients. The fractal analysis provided clinicians with extra information regarding the condition of the subchondral cyst as an early sign of osteoarthritis on panoramic radiographs.
Co-Authors Duangto, Phuwadon Iamaroon, Anak Mahakkanukrauh, Pasuk Pornprasertsuk-Damrongsri, Suchaya Prasitwattanaseree, Sukon Srimawong, Preeyaporn Wijanarko, Aloysius Putut