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https://www.readbyqxmd.com/read/29989157/detection-of-tooth-colored-restorative-materials-for-forensic-purposes-based-on-their-optical-properties-an-in-vitro-comparative-study
#1
Ramya Kiran, James Chapman, Marc Tennant, Alexander Forrest, Laurence J Walsh
Victim identification using dental records involves antemortem and postmortem comparison of dental charts. Since dental restorations may be part of such records, identifying them accurately is critical. The objective of this study was to compare the diagnostic reliability and validity of two optical methods for identifying tooth-colored restorations (digital imaging fiber optic transillumination (DiFOTI) using near infrared light, and fluorescence-aided identification of restorations (FAIR)) with conventional diagnostic methods...
July 10, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29962790/unique-denture-identification-system-for-all-indian-nationals
#2
Chetan Pathak, Salil Pawah, Arpit Sikri, Ila Rao
Marking dental prosthesis has always been considered an important part of forensic dentistry. Denture identification systems are important not only for patients in health-care facilities, old-age homes, and hospitals but also in medico-legal cases. In India, no standardized method is being followed for labeling of the dentures. This article proposes a technique of denture marking that gives permanent, unique, and global identification to all the Indian nationals using Aadhaar - a universally accepted identity for Indian nationals...
June 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29953497/role-of-forensic-odontology-in-the-identification-of-victims-of-major-mass-disasters-across-the-world-a-systematic-review
#3
Ghevaram Prajapati, Sachin C Sarode, Gargi S Sarode, Pankaj Shelke, Kamran H Awan, Shankargouda Patil
BACKGROUND: Forensic odontology (FO) is regarded in the literature as one of the most reliable and economical scientific methods for victim identification in mass disasters (MDs). The present paper systematically reviews the role of forensic odontologists in various global MDs. METHOD: A comprehensive search of the literature databases (PubMed, Medline, SCOPUS, Web of Science and Google Scholar), along with cross-referencing published peer-reviewed articles, was conducted...
2018: PloS One
https://www.readbyqxmd.com/read/29942104/dental-age-estimation-of-omani-children-using-demirjian-s-method
#4
S Al Balushi, W M Thomson, L Al-Harthi
Dental age plays a significant role in forensic dentistry, orthodontics and paediatric dentistry, as well as in general diagnosis and treatment planning. Different methods have been developed to determine dental age. One of the most commonly used methods is Demirjian's method, which was developed in 1973 from research on a large number of French-Canadian children. It is based on the degree of tooth mineralisation by examining the radiological appearance of the lower mandibular left quadrant. The purpose of this study was to assess the dental age of Omani children using Demirjian's method and evaluate the applicability of the method in dental age estimation for Omani children...
July 2018: Saudi Dental Journal
https://www.readbyqxmd.com/read/29936401/accuracy-of-dental-identification-of-individuals-with-unrestored-permanent-teeth-by-visual-comparison-with-radiographs-of-mixed-dentition
#5
Ludovica Gorza, Scheila Mânica
Forensic dentistry plays a major role in human identification. Teeth carry individual characteristics that differ among different individuals. Dental radiographs depict reality objectively, being the most reliable tool for dental identification. The first aim of this study was to evaluate the accuracy of dental identification of individuals with permanent unrestored teeth by visual comparison with radiographs of mixed dentition. The second aim was to learn which anatomical features were compared by examiners with different backgrounds...
August 2018: Forensic Science International
https://www.readbyqxmd.com/read/29913524/forensic-odontology-automatic-identification-of-persons-comparing-antemortem-and-postmortem-panoramic-radiographs-using-computer-vision
#6
Andreas Heinrich, Felix Güttler, Sebastian Wendt, Sebastian Schenkl, Michael Hubig, Rebecca Wagner, Gita Mall, Ulf Teichgräber
PURPOSE:  In forensic odontology the comparison between antemortem and postmortem panoramic radiographs (PRs) is a reliable method for person identification. The purpose of this study was to improve and automate identification of unknown people by comparison between antemortem and postmortem PR using computer vision. MATERIALS AND METHODS:  The study includes 43 467 PRs from 24 545 patients (46 % females/54 % males). All PRs were filtered and evaluated with Matlab R2014b including the toolboxes image processing and computer vision system...
June 18, 2018: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/29804941/a-critical-review-of-sub-adult-age-estimation-in-biological-anthropology-do-methods-comply-with-published-recommendations
#7
Louise Corron, François Marchal, Silvana Condemi, Pascal Adalian
The diversity of approaches and the high number of publications on sub-adult age estimation is a testament to the relevance of this particular area of forensic anthropological research. However, a downside of this diversity is the many methodological, sampling and statistical discrepancies between publications, which can lead to difficulties in method definition, application and comparison. Several authors have published recommendations highlighting standardized methodological parameters that should be respected and clearly appear in the original publications for anthropological methods to be valid...
July 2018: Forensic Science International
https://www.readbyqxmd.com/read/29800866/third-molar-development-in-a-contemporary-danish-13-25year-old-population
#8
Sara Arge, Jesper Lier Boldsen, Ann Wenzel, Palle Holmstrup, Niels Dyrgaard Jensen, Niels Lynnerup
We present a reference database for third molar development based on a contemporary Danish population. A total of 1302 digital panoramic images were evaluated. The images were taken at a known chronological age, ranging from 13 to 25years. Third molar development was scored according to the Köhler modification of the 10-stage method of Gleiser and Hunt. We found that third molar development was generally advanced in the maxilla compared to the mandible and in males compared to females; in addition, the mandibular third molar mesial roots were generally more advanced in development than were the distal roots...
August 2018: Forensic Science International
https://www.readbyqxmd.com/read/29800639/trend-analysis-of-dental-hard-tissue-conditions-as-function-of-tooth-age
#9
Amnah A Algarni, Peter S Ungar, Frank Lippert, E Angeles Martínez-Mier, George J Eckert, Carlos González-Cabezas, Anderson T Hara
OBJECTIVE: This retrospective in-vitro study investigated tooth age effect on dental hard-tissue conditions. METHODS: Unidentified extracted premolars (n = 1500) were collected and their individual age was estimated (10-100 (±10) years old (yo)) using established dental forensic methods Dental caries, fluorosis and tooth wear (TW) were assessed using the International Caries Detection and Assessment System (ICDAS; 0-5 for crown and 0-2 for root), Thylstrup-Fejerskov (TFI; 0-9) and Basic Erosive Wear Examination (BEWE; 0-3) indices, respectively...
July 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29780741/estimation-of-dental-and-bone-age-in-obese-children-of-south-india
#10
Shaji T Varghese, Vinod Kumar, Sam Paul, Lijo K Jose, Tom Mathew, Sabin Siddique
Aim: Determination of skeletal and dental age is very essential for Pediatric dentist and orthodontist to formulate a treatment plan, and it is a source of supplemental information for Pediatrics, Orthopedics, and Forensics. There are no available studies in the literature about the comparison of dental and bone age with chronological age in obese children of south India. Accordingly, the aim of this study was to evaluate and compare dental age, bone age, and chronological age in obese children of south India...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29752198/age-estimation-of-hispanic-children-using-the-london-atlas
#11
David McCloe, Ian Marion, Marcio A da Fonseca, Michael Colvard, Sakher AlQahtani
PURPOSE: To test the accuracy of the London Atlas for age estimation of Hispanic children and to determine if there is any difference in age accuracy between Hispanic males and females. METHODS: The London Atlas was used to estimate age from panoramic radiographs of 17 males and 17 females for each year of age from six to 15.99 years, using the electronic patient database of a dental school. Exclusion criteria included gross pathology, hypodontia, hyperdontia, and previous orthodontic treatment...
July 2018: Forensic Science International
https://www.readbyqxmd.com/read/29744586/a-systematic-review-and-meta-analysis-of-the-fully-formed-wisdom-tooth-as-a-radiological-marker-of-adulthood
#12
Mattias Haglund, Håkan Mörnstad
Assessment of third molar development on dental radiograms is one of the most commonly used methods of forensic age estimation. Despite widespread use and numerous studies, there is a paucity of aggregated data on how well a fully mature third molar identifies adulthood (> 18 years), the most important threshold in a medicolegal context. Therefore, a systematic review and meta-analysis was conducted. A total of 1229 studies were screened, and 82 studies were assessed for inclusion. Twenty-four studies, with a pooled cohort of 19,690 individuals, presented true positive (TP), true negative (TN), false positive (FP), and false negative (FN) outcomes, enabling meta-analysis...
May 10, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29731571/a-comparative-assessment-of-bite-marks-in-analyzing-the-overlay-generation-using-styrofoam-sheet-and-modeling-wax-with-the-dental-casts-as-one-of-the-adjuncts-for-archiving-the-forensic-records-an-in-vivo-study
#13
H Zainab, Shaimaa, J Pramod, D Hugar, A Sultana
Introduction: Bite mark evidence is unique to an individual and plays an important role in the legal system. There has always been the need to develop newer materials for bite mark analysis that will have excellent reproducibility as well as reliability. Aim: The present study aimed to evaluate the efficacy of styrofoam sheets and modeling wax with time-dependent changes when compared to the routine dental cast models. Materials and Methods: The present study included thirty volunteers and their bite marks were taken on the styrofoam and wax sheet materials that were traced on the transparent sheet and evaluation of the bite marks on the two materials were carried out at an interval of 1 day for 3 alternate days and grades were given, respectively...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29729834/an-evaluation-of-dental-methods-by-lamendin-and-prince-and-ubelaker-for-estimation-of-adult-age-in-a-sample-of-modern-greeks
#14
E Zorba, N Goutas, C Spiliopoulou, K Moraitis
Teeth can be used as accurate tools in age-at-death estimation in forensic cases. No previous data exist on estimating age from teeth in a modern Greek population. The aim of this study was to evaluate Lamendin's and Prince and Ubelaker's ageing methods on a modern Greek skeletal sample. In total, 1436 single-rooted teeth from 306 adult individuals (161 males and 145 females) were examined. Only measurements of periodontosis and translucency showed positive correlation with age. Results showed a bias - an overestimation for ages under 40 years and an underestimation over this age...
March 2018: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/29721810/aspartic-acid-racemization-of-root-dentin-used-for-dental-age-estimation-in-a-polish-population-sample
#15
Katarzyna Wochna, Radosław Bonikowski, Janusz Śmigielski, Jarosław Berent
Precise age determination of unidentified bodies and human remains is one of the essential tasks of forensic science. The aim of this study was to assess the applicability of using the enantiomeric composition of aspartic acid racemization in root and crown dentin for dental age estimation using a Polish population sample. Coronal and root dentin from four teeth groups from the mandible were studied using gas chromatography with mass spectrometry. The results demonstrated a very high correlation between the chronological age and enantiomeric composition in both of the dentin samples...
May 2, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29704727/how-do-skeletons-with-hiv-present-a-study-on-the-identified-cal-milano-cemetery-skeletal-collection
#16
Lucie Biehler-Gomez, Antonio Cabrini, Danilo De Angelis, Cristina Cattaneo
With the Human Immunodeficiency Virus (HIV) infection and Acquired Immune Deficiency Syndrome (AIDS) pandemic, the study of HIV/AIDS on bones has become of pivotal interest for research in bone pathologies, forensic applications (especially in the matter of identification when confronted to antemortem data) and medical purposes. In this paper, we document and discuss the macroscopic lesions found on the skeletons of nine individuals with known HIV, including four with known AIDS, coming from the identified CAL Milano Cemetery Skeletal Collection...
April 24, 2018: Legal Medicine
https://www.readbyqxmd.com/read/29691730/differentiation-of-dental-restorative-materials-combining-energy-dispersive-x-ray-fluorescence-spectroscopy-and-post-mortem-ct
#17
Tim Merriam, Rolf Kaufmann, Lars Ebert, Renato Figi, Rolf Erni, Robin Pauer, Till Sieberth
Today, post-mortem computed tomography (CT) is routinely used for forensic identification. Mobile energy-dispersive X-ray fluorescence (EDXRF) spectroscopy of a dentition is a method of identification that has the potential to be easier and cheaper than CT, although it cannot be used with every dentition. In challenging cases, combining both techniques could facilitate the process of identification and prove to be advantageous over chemical analyses. Nine dental restorative material brands were analyzed using EDXRF spectroscopy...
June 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29657498/odontometric-sex-estimation-from-clinically-extracted-molar-teeth-in-a-north-indian-population-sample
#18
Qutsia Tabasum, Jagmahender Singh Sehrawat, Manjit Kaur Talwar, Raj Kamal Pathak
Background: Different dental features have contributed significantly toward sex determination in the forensic anthropological contexts. Population-specific standards (discriminant functions or regression formulae) have been suggested for various population groups to identify the sex of an unknown individual from dental dimensions and other odontometric features. The main purpose of the present investigation was to examine the degree of sexual dimorphism exhibited by the human teeth of North Indians and identify importance as a forensic tool in sex determination...
September 2017: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/29657496/applicability-of-odontometric-dimensions-and-indices-in-sexual-dimorphism-among-nalgonda-population
#19
Sandipamu Thabitha Rani
Background: Teeth morphology varies among different population groups as they are exposed to various environmental conditions. Teeth being the most stable and hard tissue, human identification can be made when the other tissues are unavailable. Odontometric analysis can be considered for anthropological and forensic investigations. Aim: The aim of this study is to assess the reliability of odontometric mesiodistal (MD) width dimensions and indices in sexual dimorphism among Nalgonda population...
September 2017: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/29657494/stereomicroscopic-study-on-unsectioned-extracted-teeth
#20
V Keerthi Narayan, V K Varsha, H C Girish, Sanjay Murgod
Introduction: Age has been considered as a reliable marker for establishing the identity of a person in the field of forensic medicine. Teeth are useful skeletal indicators of age at death since it can survive for decades. Nondestructive methods ensure the evident preservation of dental hard tissues that reflect age changes from the cradle to the grave. Therefore, an attempt was made for estimating the age using the nondestructive method. Aims and Objectives: The aim of this study to assess whether physiological changes of the teeth allow possible correlation for accurate age estimation and to establish a graduation standard by microscopic observation for a better age correlation...
September 2017: Journal of Forensic Dental Sciences
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