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Original Paper

Optimal Camera and Illumination Angulations for Detection of Interproximal Caries Using Quantitative Light-Induced Fluorescence

Buchalla W.a,b · Lennon Á.M.a,b · van der Veen M.H.c,d · Stookey G.K.a

Author affiliations

aDepartment of Preventive and Community Dentistry, Oral Health Research Institute, Indiana University School of Dentistry, Indianapolis, Ind., USA; bDepartment of Conservative Dentistry, Preventive Dentistry, and Periodontology, Georg August University Göttingen, Germany; cACTA, Department of Cariology, Endodontology and Pedodontology, and dInspektor Research Systems BV, Amsterdam, The Netherlands

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Caries Res 2002;36:320–326

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: November 16, 2001
Accepted: May 22, 2002
Published online: October 23, 2002
Issue release date: September – October

Number of Print Pages: 7
Number of Figures: 9
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: https://www.karger.com/CRE

Abstract

The aim of the study was to find the optimal illumination and camera angulations for interproximal use of quantitative light-induced fluorescence (QLF). A multiaxis optical bench was developed and interproximal tooth assemblies were investigated using a modified version of QLF. Extracted human premolars without caries (n = 8) and with interproximal D1, D2 and D3 caries (n = 20) were selected. Tooth-pair models without caries and with interproximal caries of matching size, location, and shape were imaged with varying camera and illumination directions from buccal (0°) to occlusal (90°) to lingual (180°) in steps of 30° using a PC and framegrabber and examined for observed presence. Interproximal lesions could be detected in all teeth, but observed presence was dependent on camera angulation (p < 0.05), rather than on illumination angulation (p = 0.32). No caries could be detected with the camera in the 90° position.

© 2002 S. Karger AG, Basel


References

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    External Resources
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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: November 16, 2001
Accepted: May 22, 2002
Published online: October 23, 2002
Issue release date: September – October

Number of Print Pages: 7
Number of Figures: 9
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: https://www.karger.com/CRE


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