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Casey Chen
Department of Radiology, University of California, USA
Publications
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Review
Periodontal Health Check by Nanoengineering Photoacoustic Imaging: Review
Author(s): Casey Chen*
The gold-standard periodontal probe is an outdated instrument that can diagnose periodontitis and track the condition of the gingiva, but it is also painful, prone to mistake, and does not completely characterise the periodontal pocket. These limitations can be overcome by a non-invasive method called photo acoustic imaging. Here, the periodontium was imaged using ultrasound frequencies between 16 and 40 MHz, and the pockets were identified using a cuttlefish ink-based contrast solution. The periodontal nano particles architecture, comprising the tooth, gum, gingival edge, and gingival thickness of teeth 7–10 and 22– 27, could be spatially resolved using a 40 MHz ultrasound frequency. The measurements made using photo-acoustic-ultrasound were more accurate (0.01 mm) than those made using physical probes by a dental hygienist. Additionally, it was possible to see the comple.. View more»