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Handheld OCT probe for intraoral diagnosis on teeth
Author(s): R. Haak; M. Ahrens; H. Schneider; M. Strumpski; C. Rüger; M. Häfer; G. Hüttmann; D. Theisen-Kunde; H. Schulz-Hildebrandt
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Paper Abstract

In order to fully exploit the diagnostic potential of optical coherence tomography (OCT) in contemporary restorative dentistry, an intraorally applicable OCT probe has been constructed. The probe was connected to a commercially available OCT system. The handling of the probe and the quality of the OCT images were optimized and evaluated on human extracted teeth fixed in a patient-equivalent simulation. In addition, the probe was applied intraorally to volunteers. With the intraoral OCT probe hard tooth substances, carious lesions in enamel and dentin and composite restorations could be imaged. In vivo, the probe allowed OCT imaging of all tooth surfaces except the vestibular surfaces of third molars and proximal surface areas of molars within a "blind spot" at a distance of 2.5 mm from the tooth surface. Superficial tissue structures of the marginal gingiva could also be imaged. The intraoral OCT probe is a promising tool for non-invasive imaging and monitoring of healthy and diseased hard tooth substances and tooth-colored restorations. It can be a valuable addition to established methods for caries diagnosis and restoration evaluation.

Paper Details

Date Published: 19 July 2019
PDF: 4 pages
Proc. SPIE 11073, Clinical and Preclinical Optical Diagnostics II, 110730W (19 July 2019); doi: 10.1117/12.2527185
Show Author Affiliations
R. Haak, Univ. of Leipzig (Germany)
M. Ahrens, Univ. of Leipzig (Germany)
German Ctr. for Lung Research (Germany)
H. Schneider, Univ. of Leipzig (Germany)
M. Strumpski, Univ. of Leipzig (Germany)
C. Rüger, Univ. of Leipzig (Germany)
M. Häfer, Univ. of Leipzig (Germany)
G. Hüttmann, Univ. of Lübeck (Germany)
Medical Laser Ctr. Lübeck (Germany)
German Ctr. for Lung Research (Germany)
D. Theisen-Kunde, Medical Laser Ctr. Lübeck (Germany)
H. Schulz-Hildebrandt, Univ. of Lübeck (Germany)
Medical Laser Ctr. Lübeck (Germany)
German Ctr. for Lung Research (Germany)


Published in SPIE Proceedings Vol. 11073:
Clinical and Preclinical Optical Diagnostics II
J. Quincy Brown; Ton G. van Leeuwen, Editor(s)

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