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Testing a Novel 3D Printed Radiographic Imaging Device for Use in Forensic Odontology

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There are specific challenges related to forensic dental radiology and difficulties in aligning X‐ray equipment to teeth of interest. Researchers used 3D printing to create a new device, the combined holding and aiming device (CHAD), to address the positioning limitations of current dental X‐ray devices. Participants (N = 24) used the CHAD, soft dental wax, and a modified external aiming device (MEAD) to determine device preference, radiographer's efficiency, and technique errors. Each participant exposed six X‐rays per device for a total of 432 X‐rays scored. A significant difference was found at the 0.05 level between the three devices (p = 0.0015), with the MEAD having the least amount of total errors and soft dental wax taking the least amount of time. Total errors were highest when participants used soft dental wax—both the MEAD and the CHAD performed best overall. Further research in forensic dental radiology and use of holding devices is needed.
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Keywords: 3D printing; antemortem; dental radiology technique; forensic dental identification; forensic dentistry; forensic odontology; forensic science; intraoral forensic radiography; postmortem; radiation safety

Document Type: Research Article

Publication date: January 1, 2017

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