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Photographic Identification of Tooth Prints After High Temperature Exposure Khaerunnisa, Rahmadaniah; Oscandar, Fahmi; Syukriani, Yoni
Jurnal Forensik dan Medikolegal Indonesia Vol 4 No 2 (2023): Jurnal Forensik dan Medikolegal Indonesia
Publisher : Fakultas Kedokteran Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jfmi.2023.4.2.9396

Abstract

Tooth prints is a very potential tool in forensic identification as the enamel rod patterns on tooth surface is individually unique. This study was aimed to detect changes of tooth prints after teeth were exposed with high temperatures. Forty-five extracted teeth were divided into 5 groups, then exposed to various high temperatures for 15 minutes in a furnace. To ensure practical application, a highly reproducible digital photographic method to detect tooth prints was developed. Before and after the heating process, tooth prints were photographed. The image data was analysed using an open-source biometric software, and the number of matching points of each tooth was compared before and after treatment. Results showed the decreasing number of match points of tooth prints in accord with the increasing of temperature exposure (P < 0.05). The number of tooth print matching points can be confidently observed at temperatures 600°C or lower. The consistence of matching points shows the prospect of tooth print analysis to become a reliable identification method. This digital photography technique offers a straightforward method for routine dental recording in daily practice by dentists and identification by forensic odontologists. It opens further direction for standardization of pattern analysis, database development, and daily protocols. Keywords: dental photography; forensic identification; high temperature; tooth prints
Age Identification System with Panoramic Image Processing Digital Molar Dental Radiograph with Adaptive Region Growing Approach Method Fauzi, Hilman; Tsani, Fajri; Oscandar, Fahmi; Adzra, Faaiq Ammaria
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 10 No. 2 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i2.6365

Abstract

Forensics plays a crucial role in legal enforcement, particularly in cases where objects or human victims undergoing forensic identification have suffered significant damage. Teeth offer a robust solution in the identification process due to their resilience to various circumstances. Forensic odontology focuses on dental identification for judicial purposes. One crucial parameter in forensic odontology is age estimation. Generally, an individual's dental development is directly related to age, which can be observed through the dental pulp. The dental pulp tends to narrow or widen with increasing age. In this study, an image processing system using the Adaptive Region Growing Approach (ARGA) method was developed for dental pulp molar radiograph images. Subsequently, the dental pulp images were classified using the Support Vector Machine (SVM) method. The research process encompassed data collection, image processing, feature extraction, and molar dental pulp size classification. The results demonstrated an accuracy of over 80% in the system, using specific parameters such as an adjustment threshold of OTSU 1.15, a clip limit histogram Equalization of 0.1, a polynomial kernel type, and one against one coding type for data classification into four classes. This study concludes that the Adaptive Region Growing Approach (ARGA) method and Support Vector Machine (SVM) classification can be effectively implemented in age estimation using panoramic radiograph images. This has the potential for significant applications in forensic odontology, supporting victim identification in legal enforcement.
Sistem Identifikasi Usia Manusia pada Citra Panoramic Radiograph Gigi Molar Pertama BIRU, BANYU; FAUZI, HILMAN; OSCANDAR, FAHMI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 9, No 1: Published January 2021
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v9i1.16

Abstract

ABSTRAKOdontologi forensik merupakan sebuah cabang ilmu forensik yang melakukan proses identifikasi berdasarkan gigi. Gigi merupakan salah satu bagian tubuh manusia paling kuat kuat. Dalam masa pertumbuhan, gigi manusia mengalami degeneratif pada usia tertentu, sehingga gigi dapat menjadi media dalam proses identifikasi usia. Pada penelitian ini, dirancang sistem pengolahan citra yang dapat mendeteksi usia manusia pada citra radiograf panoramik gigi. Sistem ini menggunakan metode Binary Large Object dan Decision Tree. Berdasarkan hasil pengujian, sistem dapat mendeteksi usia berdasarkan citra gigi molar pertama dengan tingkat akurasi lebih dari 80%, pada saat menggunakan parameter structuring element jenis Disk dengan jari-jari 4 piksel, ciri area dan rasio pulpa, serta jenis algoritma pada decision tree yaitu curvature dengan jumlah 50 percabangan.Kata kunci: citra radiograf panoramik, pulpa gigi, molar pertama, decision tree, binary large object ABSTRACTForensic odontology is a branch of forensic science that carries out dental identification processes. Teeth are one of the strongest parts of the human body In the period of growth, human teeth degenerative at a certain age, so that teeth can be a medium in the process of age identification. In this study, an image processing system was designed that could detect human age on dental panoramic radiographs. This system using the Binary Large Object and Decision Tree methods. Based on the test results, the system can detect age based on the image of the first molar with an accuracy level of more than 80%, when using a Disk type structuring element parameter with a radius of 4 pixels, the area and pulp ratio features, and the type of algorithm in the decision tree, namely curvature with the number of 50 branches.Keywords: panoramic radiograph image, teeth pulp, first molar, decision tree,binary large object
Identification of palatine rugae in forensic odontology in the indonesian population: a scoping review Saputri, Ikra Yuni; Suhardjo, Suhardjo; Fauzi, Hilman; Oscandar, Fahmi
Padjadjaran Journal of Dentistry Vol 37, No 1 (2025): March 2025
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol37no1.58475

Abstract

Introduction: The study of palatine rugae in forensic odontology has become increasingly vital as a means of identifying individuals, particularly in scenarios where conventional identification methods prove inadequate. This scoping review focuses on the identification of palatine rugae in the Indonesian population.  Method: A scoping review was conducted using the Arksey and O'Malley framework and PRISMA-ScR guidelines. Relevant articles were sourced from PubMed, ScienceDirect, and Google Scholar using Boolean operators and relevant keywords. Studies were included if they involved Indonesian populations, used palatal rugae for identification, were original research, published in Indonesian or English, and available in full text between March 2014 and March 2024. We excluded review articles, non-human studies, and papers in other languages. Two independent reviewers screened and selected articles. Results: The results of the scoping review identified various classifications of palatine rugae, with three articles using the Thomas and Kotze method and one article each using the Kapali, Trobo, Lysell, and Carrea methods. Two articles studied rugae inheritance, and one examined post-orthodontic stability. The widely used Thomas and Kotze method focuses on the length, shape, and direction of the rugae but has limitations in sex determination. Additionally, the Trobo, Kapali, Lysell, and Carrea classifications are also used due to their simplicity and clarity. This study investigated the pattern of palatine rugae and found that the pattern remains consistent before and after orthodontic treatment and is inherited from parent to child. The study also identified potential language bias, limited Indonesian literature on palatine rugae, and methodological variations across research articles. Conclusion: This scoping review affirms the reliability of palatine rugae in forensic odontology in Indonesia, highlights the need for further research to enhance understanding of rugae patterns and inheritance mechanisms, and contributes to the knowledge base for future forensic research and investigations.
Bibliographic Study Of Pawon Man Forensic Odontology Research At Universitas Padjadjaran, Indonesia Wulandari, Felia Resha; Yondri, Lutfi; Suhardjo; Mardhian, Deby Fajar; Susilawati, Sri; Oscandar, Fahmi
PURBAWIDYA Vol. 14 No. 1 (2025): Vol 14 (1) Juni 2025
Publisher : Badan Riset dan Inovasi Nasional (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/purbawidya.2025.8073

Abstract

Discovery of Pawon Man provide valuable insights into the region's history. Despite various studies conducted, there is a notable lack of comprehensive identification and systematic review of Pawon Man's teeth. This study aims to map the development of research on Pawon Man in the field of forensic odontology, which contributes to the understanding of human history in West Java. The method used is descriptive analysis, examining technology applied in research by analysing relevant references from 2012 to 2024. 3D Cone Beam Computed Tomography (CBCT) was the method used in 16 studies due to its non-destructive and high accuracy. Scanning Electron Microscope (SEM) provided in-depth insights into dental calculus, revealing information about ancient health and dietary practices. In a review of 33 articles, the study also highlighted age estimation as a crucial aspect of biological profiling. Despite extensive research, there are still variables that require further investigation, including accuracy in age estimation and contributing factors to the absence of dental caries. Interdisciplinary collaboration is essential to address these issues and enrich the understanding of Pawon Man. Future studies should prioritise interdisciplinary approaches and the use of advanced technology.
Overhanging approximal restoration: Clinical and radiography features at Tarogong Public Health Service Indonesia Muryani, Anna; A., Amaliya; Garna, Devy Firena; Oscandar, Fahmi; Sukartini, Endang
Padjadjaran Journal of Dentistry Vol 28, No 2 (2016): July 2016
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.741 KB) | DOI: 10.24198/pjd.vol28no2.13715

Abstract

Introduction: Overhanging approximal restoration may causes gingival inflammation, periodontal tissue destruction, decreases alveolar bone height, and caries reccurence. Overhanging restoration can be detected clinically and by radiography image. Overhang restorations can occur due to the poor filling procedures, one of which is the limitation of supporting tools. Restoration of teeth done in Puskesmas often found unavailability constraints supporting tools so that in cases of approximal caries often experience overhang. The aim of this study was to evaluate the incidence of overhanging proximal restoration at Tarogong Public Health Centre in Garut Regency West Java Indonesia. Methods: This study was a descriptive cross sectional for the incidence on patient with overhanging approximal restoration who visited at Dental Unit Tarogong Public Health Center in Garut Regency. Intraoral clinical examination was conducted to examine visually and by tactile for the overhang restoration. Periapical radiography examination was taken and became supporting examination. Results: Collected data were 43 cases of overhanging approximal restoration from total 57 patients. The incidence of overhanging approximal restoration were 75,4. Conclusion: The conclusion of this study by radiography was the incidence of overhanging restoration was 75.4 which showed that overhanging restoration approksimal more than good restoration aproksimal at Tarogong Public Health Centre in Garut Regency West Java Indonesia.
Difference of the size of average crown width first molar and second molar mandible of the Pawon Man with modern man Senjaya, Taufik; Oscandar, Fahmi; Yondri, Lutfi
Padjadjaran Journal of Dentistry Vol 24, No 3 (2012): November 2012
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol24no3.26841

Abstract

Introduction: Pawon Man is prehistoric human who was expected life about 9525-5660 BC and have lived in a Cave Pawon located in Mountain Masigit Village, District Cipatat, Bandung Regency. The purpose of this research to analyzed the difference size of average crown width first molar and second molar mandible Pawon Man with Modern Man. Methods: The research used a descriptive method, so that from 4 archives radiograph Pawon man, can be obtained 14 samples radiographs Cone Beam Computed Tomography first tooth molars and second molars mandible. The research conducted on Ez Implant-3D program using a digital ruler, measurement results then recorded in tabular form, then statistically analyzed using independent two-sample t test. Results: The average size of widht crown first tooth molars and second molars mandible were larger for Pawon Man teeth than Modern Man. Conclusion: The average size of widht crown first tooth molars and second molars mandible were larger for Pawon Man teeth, because Pawon Man eating hard food and rough textured with simple food processing, with transition of culture has changed the dietary and food technology, so the shape of the big teeth are no longer needed.
Determination of pulp necrosis based on periapical digital radiography histogram and pulp histopathology Khoironi, Emi; Firman, Ria Noerianingsih; A, Azhari; Oscandar, Fahmi
Padjadjaran Journal of Dentistry Vol 29, No 3 (2017): November 2017
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.878 KB) | DOI: 10.24198/pjd.vol29no3.14300

Abstract

Introduction: Radiographic examination is needed to determine the diagnosis of pulp necrosis in addition to a clinical examination. Visual observation was limited in seeing the colour change degree and hence an effort taken by assessing the histogram value. The purpose of this study was to obtain the pulp chamber histogram pattern which reveals its grey scale value, trend, intensity average, histogram variation, and histograms maximum regional of interest (ROI) through digital periapical radiograph. Methods: This study was a descriptive study of the total of nine pulp chamber periapical radiograph data samples. The samples were divided into three groups, the 1st group was the data taken prior to the tooth extraction, the 2nd group was the data collected after the teeth extraction, and the 3rd group was the data of priorly pulpless teeth. Results: There was a tendency of histogram graphic shifting to the left side, likely towards the radiolucent area on ROI of the pulp at the apical region, whilst histopathologically, a massive infiltration of a round PMN cells was found in the area. This finding supported the determination of pulp necrosis diagnose. Conclusion: The tooth with a pulp necrosis showed a tendency that led to radiolucency on periapical radiograph histogram, and histopathologic examination showed massive infiltration of a round PMN cells, thus supported the pulp necrosis diagnose.
Human age estimation based on pulp volume of canines for chronological age estimation: Preliminary research Hidayat, Septian Rahmat; Oscandar, Fahmi; Malinda, Yuti; Sasmita, Inne Suherna; Dardjan, Murnisari; Murniati, Nani; Lita, Yurika Ambar
Padjadjaran Journal of Dentistry Vol 30, No 3 (2018): November 2018
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.681 KB) | DOI: 10.24198/pjd.vol30no3.19302

Abstract

Introduction: Age estimation has an important role in the process of human identification and needs to be performed in an efficient, fast, and accurate ways. Age estimation based on the pulp cavity volume of canines was referring to the theory stated that the apposition of secondary dentine during human life could be determined as an age indicator. This study was aimed to estimate the human age based on the pulp volume of canines for chronological estimation. Methods: Forty-one canine teeth from Cone Beam Computed Tomography (CBCT) 3D image sample from Dental Hospital of the Faculty of Dentistry Universitas Padjadjaran segmented into dental pulp and enamel were prepared for measurement of pulp volume using the ITK SNAP volumetric software. Descriptive analysis of pulp volume and regression equations were generated from regression analysis of pulp volume and tested for age estimation. Result: Dentine thickness was found to be increased from adolescence age range until adulthood age range. Logarithmic regression between pulp volume was statistically significant (p < 0,001). The coefficient of determination (R2) was 0.753 with a standard deviation of 8.421. Mathematics model for estimating age was: Age = 79.523 – (18.194 x ln(Pulp Volume)). The pulp cavity and dentine thickness were decreasing along the age. The same equation was also used in the same sample. There were several differences between chronological age and estimated age approximately 8.4 years following the regression result of R2 (75.3%). The rest of the sample (24.7%) have a big difference, and this could be affected by modifying variables such as occlusal force and human error measurement procedures. Conclusion: The human age can be estimated by the pulp volume of canines.Keywords: Age estimation, pulp volume, canine, ITK-SNAP, CBCT.
Normal, inflammation and necrosis pulp radiograph image using 3D cone beam computed tomography Pramanik, Farina; Firman, Ria Noerianingsih; Oscandar, Fahmi; Epsilawati, Lusi
Padjadjaran Journal of Dentistry Vol 28, No 2 (2016): July 2016
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.253 KB) | DOI: 10.24198/pjd.vol28no2.13720

Abstract

Introduction: Abnormalities of the dental pulp can have several different diagnoses. Therefore, the dental pulp characteristics must be known in more detail and clear so that diagnosis be established more precisely and accurately.  One characteristic of the pulp can be seen from the density value through the 3D Cone Beam Computed Tomography (3D CBCT). Methods: The study  was  conducted  with  a  simple  descriptive  method.  The population is all the data 3D CBCT of patients who visited the Universitas Padjadjaran Dental Hospital (RSGM Unpad) in 2012. Samples of the research were 75 pulps  with normal, inflammation, and necrosis conditions and calculate the average density value. Results: Density values for dental pulps in the normal teeth between 465 - 775 HU, the inflammation teeth between 243.5 - 396 HU, and necrosis teeth between - 461.5 - -170 HU. Conclusion: There are differences in dental pulp density between the normal pulp, inflammation and necrosis through 3D CBCT.