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ISSN: 2157-7145

Journal of Forensic Research
Open Access

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Research Article

Exposure Standards for Digital and Analogue Dry Skull Orthopantomography

Thiago L. Beaini*, Paulo Eduardo Miamoto Dias, Rodolfo F. H. Melani

Master degree on Legal dentistry at the dental school of the University of São Paulo, Brazil

*Corresponding Author:
Thiago L. Beaini
Master degree on Legal dentistry at the dental
school of the University of São Paulo Av. Lineu Prestes
2227. Cidade Universitária, Brazil (CEP 05508-000)
R. Maestro João Gomes de Araújo
106 SL 61, São Paulo, Brazil (CEP- 02332-020)
Tel: (55) 11 2972- 4180
E-mail: [email protected] gmail.com

Received date: February 02, 2011; Accepted date: February 23, 2011; Published date: February 25, 2011

Citation: Beaini TL, Miamoto Dias PE, Melani RFH (2011) Exposure Standards for Digital and Analogue Dry Skull Orthopantomography. J Forensic Res 2:115. doi:10.4172/2157-7145.1000115

Copyright: © 2011 Beaini TL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Forensic or scientific practices may require producing orthopantomography of dry skulls, that lack soft tissue, therefore modifications on the usual technique should be necessary. With the objective of standardizing the postmortem digital and analogue panoramic radiography this research produced a single a digital radiography and 13 analogue panoramic images, using different exposure configurations and four different objects to try to overcome the effects of the lack of soft tissue radiation absorption on the analog radiographs. A gel based ice pack, a 20 mm dental wax block, and a 0.5 mm metallic foil were placed in different points of the device. Also a previously exposed and developed film was placed inside the cassette between the unexposed film and the intensifying screen. The images were presented to 15 dentists of several specialties, who graded and ranked the images. In conclusion, the digital panoramic was easily obtained at a 60 kV and 2 mA settings and on analog equipments the use of two films inside the cassette achieved best results with 63 kV and 06 mA exposure settings.

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