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Journal of Forensic Odonto-stomatology

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https://www.readbyqxmd.com/read/28520563/multiple-deaths-caused-by-a-fire-in-a-factory-identification-and-investigative-issues
#1
V Pinchi, V Bartolini, E Bertol, M Focardi, F Mari, U Ricci, S Vanin, G A Norelli
The article presents a case of multiple casualties following a textile factory fire. The incident required a full DVI team similar to large mass-disaster because of the specific operational aspects and identification difficulties. The autopsy results were consistent with death by fire and the toxicological investigations revealed carbon monoxide poisoning in four cases (HbCO% ranging between 88,05 and 95,77), two deaths by cyanide intoxication (with concentrations between 5,17 and 8,85 mcg/ml), and in one case there was a synergistic effect of the two substances (carbon monoxide and cyanide)...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/28520562/reliability-and-repeatability-of-pulp-volume-reconstruction-through-three-different-volume-calculations
#2
T Y Marroquin Penaloza, S Karkhanis, S I Kvaal, S Vasudavan, E Castelblanco, E Kruger, M Tennant
OBJECTIVE: To test the variability of the volume measurements when different segmentation methods are applied in pulp volume reconstruction. MATERIALS AND METHODS: Osirix® and ITK-SNAP software were used. Different segmentation methods (Part A) and volume approaches (Part B) were tested in a sample of 21 dental CBCT's from upper canines. Different combinations of the data set were also tested on one lower molar and one upper canine (Part C) to determine the variability of the results when automatic segmentation is performed...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/28520561/a-comparative-evaluation-of-the-applicability-of-two-adapted-h%C3%A3-%C3%A3-vikko-methods-for-age-estimation-of-5-15-year-old-indian-children
#3
S Hedge, K Shah, U Dixit
Dental age determination methods that require the assessment of all teeth are tedious and time-consuming. Adapted methods that assess fewer teeth may be more easily applicable. The present study compared the applicability of two adapted Häävikko methods which evaluate seven mandibular teeth (HAM1) and four reference teeth (HAM2) in a population of 5 to 15 year-old Indian children. The HAM1 method underestimated age by -0.17 ± 0.80 years, -0.29 ± 0.83 years and -0.22 ± 0.82 years in boys, girls and the total sample respectively, while the HAM2 method underestimated age by -0...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/28520560/assessing-age-related-change-in-japanese-mental-foramen-opening-direction-using-multidetector-computed-tomography
#4
N Ishii, Y Makino, M Fujita, A Sakuma, S Torimitsu, F Chiba, D Yajima, G Inokuchi, A Motomura, N H Iwase, H Saitoh
OBJECTIVE: The purpose of this study was to investigate how the opening direction of the mental foramen (MF) changes with age in a Japanese population using multi-detector computed tomography (MDCT). METHODS: Post-mortem MDCT scans of 121 Japanese subjects (66 males and 55 females) were carried out where all subjects possessed at least twenty teeth, including molar teeth, in the upper and lower jaws. Two angles of the mental foramen opening were measured, namely the superior-inferior angle in the coronal plane and anterior-posterior angle in the transverse plane, on the CT reconstructed images...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/28520559/a-comparative-study-of-efficacy-of-single-rooted-and-double-rooted-teeth-in-age-estimation-using-dentin-translucency
#5
K H Puneeth, D B Nandini, S B Praveen, M Selvamani, D Mandana
BACKGROUND: Among various methods of age estimation using dental tissues, measurement of root dentin translucency (RDT) is said to be the most accurate. Numerous studies have estimated age by measuring RDT in single and double rooted teeth and have shown conflicting results. Only few studies have compared efficacy of using single and double rooted teeth for RDT measurement in age estimation. AIM: To analyze the efficacy of single rooted teeth (SRT) and double rooted teeth (DRT) for measurement of sclerotic dentin (SD) and age estimation...
December 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/27350700/three-dimensional-validation-of-the-impact-of-the-quantity-of-teeth-or-tooth-parts-on-the-morphological-difference-between-twin-dentitions
#6
A Franco, G Willems, P H Couto Souza, W Coucke, P Thevissen
BACKGROUND: The number of teeth involved in cases of bite-mark analysis is generally fewer in comparison to the number of teeth available for cases of dental identification. This decreases the amount of information available and can hamper the distinction between bite suspects. The opposite is true in cases of dental identification and the assumption is that more teeth contribute to a higher degree of specificity and the possibility of identification in these cases. Despite being broadly accepted in forensic dentistry, this hypothesis has never been scientifically tested...
July 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/27350699/discrimination-potential-of-root-canal-treated-tooth-in-forensic-dentistry
#7
K Khalid, S Yousif, A Satti
Forensic Odontology is a vital component of forensic science and one branch involves the application of dental science to the identification of unknown human remains. The aim of this study is to investigate the discriminatory potential for identification of the radiographic morphology of obturated single root canals. Thirty periapical radiographs of patients having endodontic treatment of single rooted canals were selected randomly from the data bank of the digital X- ray system present in the restorative department, University of Science and Technology, Sudan...
July 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/27350698/behavior-in-vitro-of-the-dentin-enamel-junction-in-human-premolars-submitted-to-high-temperatures-prediction-of-the-maximum-temperature-based-on-logistic-regression-analysis
#8
C Mejía, A Herrera, A I Sánchez, S Moreno, F Moreno
OBJECTIVE: The aim of the study was to provide scientific evidence that would permit DEJ separation to be used as a parameter to estimate the temperature to which burnt, carbonized or incinerated cadavers or human remains had been subjected. MATERIALS AND METHODS: A descriptive pseudo-experimental study was carried out in vitro using cone beam tomography to determine the physical behavior of the dentine-enamel junction in 60 human premolars submitted to high temperatures (200°C, 400°C, 600°C, 800°C and 1000°C)...
July 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/27350697/the-use-of-intraoral-radiographs-for-identification-of-edentulous-patients-rehabilitated-with-implants
#9
J Ahlqvist
The aims of this study were; i) to determine the accuracy by which two intra-oral radiographic examinations performed on patients with edentulous mandibles treated with dental implants can be matched. ii) to determine whether prosthodontic supra-construction is important for matching. iii) to investigate whether there is a difference between oral and maxilla-facial radiologists (OMR) and dental practitioners, not specialized in oral and maxillofacial radiology (NOMR), regarding their ability to match. The specific features of the radiographs used by the operators to acquire a match were also investigated...
July 1, 2016: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851636/can-mandibular-lingual-canals-be-used-as-a-forensic-fingerprint
#10
Bassant Mowafey, Elke Van de Casteele, Jilan M Youssef, Ahmed R Zaher, Hany Omar, Constantinus Politis, Reinhilde Jacobs
OBJECTIVES: This study aimed to identify whether the lingual canals of the mandible can be used as a unique fingerprint when dealing with forensic victim identification. MATERIALS AND METHODS: The study consisted of two parts; an observational part and an objective image analysis part. In the observational part a total of 100 in vivo high resolution CBCT datasets of human mandibles were included in the process of simulated matching of ante-mortem (AM) and post-mortem (PM) data...
December 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851635/prediction-of-anthropometric-measurements-from-tooth-length-a-dravidian-study
#11
J Sunitha, R Ananthalakshmi, Jeeva J Sathiya, Jeddy Nadeem, Shanmugam Dhanarathnam
BACKGROUND: Anthropometric measurement is essential for identification of both victims and suspects. Often, this data is not readily available in a crime scene situation. The availability of one data set should help in predicting the other. This study was hypothesised on the basis of a correlation and geometry between the tooth length and various body measurements. AIM AND OBJECTIVE: To correlate face, palm, foot and stature measurements with tooth length. To derive a regression formula to estimate the various measurements from tooth length...
December 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851634/dental-patterns-in-peruvians-a-panoramic-radiography-study
#12
Ivan E Perez
The dental pattern is defined as the combination of distinct codes assigned to describe specific tooth conditions including virgin, missing, and restored teeth that comprise the complete dentition or from discrete groups of teeth. This pattern can be then compared to the dentition of individual/s in an attempt to determine positive identification. The aims of the present investigation were to study and determine the diversity of dental patterns in Peruvian citizens based on a sample of panoramic radiographs...
December 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851633/the-use-of-incinerated-pig-head-in-dental-identification-simulation
#13
John Berketa, Helen James, Neil Langlois, Lindsay Richards
PURPOSE: The aim of this exercise was to simulate a disaster victim identification scenario to allow training in documentation of postmortem incinerated remains and reconciliation of dental data. METHOD: Varying number of restorations were placed in ten pig heads. The teeth and restorations were charted, with the restorations radiographed and documented, creating an ante-mortem data set. The following day the heads were cremated. Following cooling and recording they were transported for a post-mortem examination by trained specialist odontologists who were not involved in the initial antemortem phase...
December 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851447/thoughts-on-donation-of-a-tooth-to-science-in-the-course-of-dental-care
#14
Alix Le Breton, Catherine Chaussain, Christian Herve, Philippe Pirnay
INTRODUCTION: Research on biological samples, including dental pulp stem cells (DPSC), has expanded considerably in recent years and is now seen as a way forward toward the possibilities of new therapies, such as craniofacial bone and tooth repair. The extraction of healthy teeth and their donation for scientific research is now well accepted by both patients and researchers alike. The present situation, as described above, presents a timely opportunity to reflect on the ethical and moral obligations of all of the stakeholders involved in this methodology...
July 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851446/histological-assessment-of-cellular-changes-in-postmortem-gingival-specimens-for-estimation-of-time-since-death
#15
Achla Bharti Yadav, Punnya V Angadi, Alka D Kale, Sumit Kumar Yadav
Estimating the time after death is an important aspect of the role of a forensic expert. After death, the body undergoes substantial changes in its chemical and physical composition which can prove useful in providing an indication of the post-mortem interval. The most accurate estimate of the time of death is best achieved early in the post-mortem interval before the many environmental variables are able to affect the result. Whilst dependence on macroscopic observations was the foundation of the past practice, the application of histological techniques is proving to be an increasingly valuable tool in forensic research...
July 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851445/in-vitro-description-of-macroscopic-changes-of-dental-amalgam-discs-subject-to-high-temperatures-to-forensic-purposes
#16
Carlos Arcos, Juan-David Díaz, Kenny Canencio, Diana Rodríguez, Carlos Viveros, Jonathan Vega, Juliana Lores, Gustavo Sinisterra, Wilmer Sepúlveda, Freddy Moreno
OBJECTIVE: To describe the behavior of 45 discs of dental amalgam of known dimension prepared from three commercially available brands of dental amalgam (Contour® Kerr®-USA, Admix® SDI®-Australia and Nu Alloy® Newstethic®-Colombia) when subjected to the action of high temperatures (200 °C, 400 °C, 600 °C, 800 °C, 1000 °C). It was hoped to establish parameters that could be used for human dental identification in cases of charred, burned or incinerated human remains. MATERIALS AND METHODS: A pseudo-experimental descriptive in-vitro study was designed to describe the macroscopic physical changes to the surface of 45 discs of pre-prepared amalgam of three commercially available brands exposed to a range of high temperatures...
July 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851444/personal-identification-in-forensic-science-using-uniqueness-of-radiographic-image-of-frontal-sinus
#17
Shital Sudhakar Nikam, Rajeev Madhusudan Gadgil, Ajay Ramesh Bhoosreddy, Karan Rajendra Shah, Vinayak Umesh Shirsekar
Frontal sinus pattern matching is a useful means of forensic identification. By the use of radiographs forensic scientists have recognized that there are diverse anatomical variations in the structure of the frontal sinus. Radiographs are a diagnostic tool, widely used in dental practices, hospitals and other health disciplines. Most health institutions possess the facility to store radiographs over long periods of time. Frontal sinus pattern matching technique can be applied in cases where ante mortem frontal sinus radiographs are available and dental matching cannot be carried out...
July 1, 2015: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/26851530/a-new-website-to-aid-the-interpretation-of-antemortem-dental-records-www-internationaldentalcharts-org
#18
Scheila Manica
The INTERPOL (International Police Organization) Disaster Victim Identification forms represent a global standard for mass disasters and the collection of international ante-mortem dental records. These records can now be interpreted more easily with the help of a new online dictionary of dental terminology for translating dental charts from several languages into English. The free website launched in 2013 (www.internationaldentalcharts.org) is the result of a M.Sc project on international dental charts: Guide of International Dental Charts translated into English decoding international ante-mortem dental charts for INTERPOL's Ante-mortem (AM) Disaster Victim Identification (DVI) forms (Section F2), completed in 2011...
December 1, 2014: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/25557414/can-autonomy-be-limited-an-ethical-and-legal-perspective-in-a-south-african-context
#19
Sidney F Engelbrecht
The principle of autonomy acknowledges the positive duty on a health care practitioner to respect the decisions of a patient. The principle of respect for autonomy is codified in the International Bill of Rights, the African Charter, The South African Constitution (108 of 1996) and the Patients' Right Charter. The common notion is to protect a person's liberty, privacy and integrity. Health care practitioners should honour the rights of patients to self-determination or to make their own informed choices. Patients have the right to live their lives by their own beliefs, values and preferences...
November 30, 2014: Journal of Forensic Odonto-stomatology
https://www.readbyqxmd.com/read/25557413/limited-rights-of-minors-in-the-dutch-healthcare
#20
Wolter Brands, Marieke Brands, Gea Brands-Bottema
In many countries, if not all, the autonomy of minors is limited. Especially in countries with comprehensive legislation in the field of health law the (lack of) autonomy of minors may create challenges. These problems become more complex if the costs of treatment are not paid by the government or covered by insurance. Some challenges are: At what age is a minor able to decide about his health? As not every treatment is the same, how should the system take this into account? The Netherlands has a long history of very comprehensive health care legislation...
November 30, 2014: Journal of Forensic Odonto-stomatology
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