Comparative study among Dentistry undergraduates and Forensic Odontology postgraduate students through smile photographs for human identification
Journal Title: RSBO - Year 2012, Vol 9, Issue 4
Abstract
Introduction: The execution of forensic odontology technique for human identification depends on the existence of dental files produced ante-mortem (dental records, clinical notes, radiographs or dental casts). However, when these are not present, other sources of dental data should be searched, such as photographs of the smile. Objective: To compare the performance of undergraduates of Dentistry and postgraduate students of Forensic Odontology to execute human identification through the analysis of photographs of the smile based on decisive dental parameters. Material and methods: Forty Dentistry undergraduates of a School of Dentistry (20 presenting history of orthodontic treatment and 20 without treatment were photographed as follows: 1) extraoral photograph of posed smile, at frontal position and; 2) intraoral photograph, at frontal position. Using these 40 pairs of photographs, four tests were prepared (A, B, C and D) which were sent to both 12 undergraduates of Dentistry and 12 postgraduate students of Forensic Odontology both from another School of Dentistry. The examiners should analyze and correlate a picture randomly and previously selected (photograph of the smile or intraoral photograph) with its corresponding one (photograph of the smile or intraoral photograph), which was set in a showcase composed by 10 images, by pointing out the main criteria for reaching a final conclusion. Results: All the subjects of the research, in both groups, correctly answered to test A (analysis of a photograph of the smile in a group of 10 intraoral photographs). The tests B (analysis of an intraoral photograph in a group of 10 photographs of the smile) and D (analysis of a photograph of the smile in a group of 10 intraoral photographs) had 91.6% success among postgraduate students; and test C (analysis of an intraoral photograph in a group of 10 photographs of the smile) had 83.3% success among undergraduate students. Conclusion: Among the most relevant parameters to achieve the result of Forensic dentistry identification through the analysis of photographs of the smile, the morphology of the incisal edges of anterior teeth was the aspect most often cited by both undergraduate students (83.3%) and postgraduate students (72.9%), within the 48 tests applied to each group. Most of the Dentistry undergraduates and Forensic Odontology postgraduate students were capable of performing the human identification through the analysis of photographs of the smile, considering the wide variety of potentially demonstrable dental characteristics of the anterior teeth.
Authors and Affiliations
Rhonan da Silva, Laíse Lima, Leandro Martorell, Mauro do Prado, Luiz Júnior, Eduardo Júnior
Keywords
Related Articles
- EP ID EP151298
- DOI -
- Views 201
- Downloads 0
Radiographic analysis of the lateral canals filling by four different obturation techniques
Many obturation techniques have been developed, specifically with the purpose of increasing the quality of the apical sealing with the association gutta percha/sealer. The aim of this study was to evaluate,by means of ra...
Consequences of dental trauma to the primary teeth on the permanent dentition
Introduction: Dental trauma to primary teeth or to the jaws may cause disorders on the development of permanent successor teeth. The alterations may either occur at the time of accident or be caused by post-traumat...
Postbleaching color change evaluation of bovine teeth immersed in high-pigmentation potential solutions
Introduction: Dental bleaching is one of the most commonly used aesthetic treatments in dentistry nowadays. However, subclinical changes in the surface micromorphology of dental tissues may occur after bleaching, leading...
Analysis of the instrumentation time and cleaning between manual and rotary techniques in deciduous molars
Introduction: The rotary instrumentation provides shorter instrumentation time with greater comfort for the patient but few studies have been conducted on primary teeth. Objective: this study compared the cleaning...
Oral hygiene practices among paramedical staff of a private dental institution in India
Introduction: Health promotion in dentistry is targeted at the two most common oral diseases – dental caries and periodontal disease. The maintenance of good oral hygiene is considered to...