A Review of Potential New Diagnostic Modalities for Caries Lesions

Hall, A.F.; Girkin, John M.

doi:10.1177/154405910408301s18

Cited by 111 publications

(64 citation statements)

References 13 publications

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“…The ΔF value is the change in fluorescence emission intensity 32) . In the present study, three ΔF values -namely, ΔFAVE., ΔFMAX., and ΔFCENTER -were used since the mineral concentration and lesion depth of the specimens were not uniform in the whole lesion.…”

Section: Discussionmentioning

confidence: 99%

Relationship between fluorescence loss of QLF and depth of demineralization in an enamel erosion model

et al. 2009

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The purpose of this study was to assess the relationship between quantitative light-induced fluorescence (QLF) values and demineralization depths in an enamel erosion model in vitro.Flat labial enamel surfaces of bovine incisors were ground with 800-grit SiC and coated with nail varnish, but also leaving rectangular windows of enamel uncoated. Subsequently, they were immersed in a lactic acid gel (pH 5.0) for 0 to 7 weeks to make an enamel erosion model. Carious lesions thus induced were analyzed by QLF and the demineralization depths measured using SEM/ EDS method at the end of each period. A wide range of erosive lesions were produced with a steady increase in both demineralizing depth and fluorescence loss (ΔF) over time. With this model, a good correlation was exhibited between each ΔF value and the demineralization depth. Results of this study indicated that QLF could detect and quantify mineral loss under the eroded surface of the enamel erosion model.

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Section: Discussionmentioning

confidence: 99%

Relationship between fluorescence loss of QLF and depth of demineralization in an enamel erosion model

et al. 2009

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“…37 Whatever numerical values given by the device, 35,36 visual inspection remains an essential component in making the final decision: to drill or not to drill. Indeed it is more the complexity of the shape, depth and the width of the grooves which governs clinical decision, meaning that before the diagnostic step the pits need to be perfectly clean.…”

Section: Illustrations With Clinical Casesmentioning

confidence: 99%

Use of new minimum intervention dentistry technologies in caries management

Tassery

Levallois

Terrer

et al. 2013

Australian Dental Journal

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Preservation of natural tooth structure requires early detection of the carious lesion and is associated with comprehensive patient dental care. Processes aiming to detect carious lesions in the initial stage with optimum efficiency employ a variety of technologies such as magnifying loupes, transillumination, light and laser fluorescence (QLF ® and DIAGNOdent ® ) and autofluorescence (Soprolife ® and VistaCam ® ), electric current/impedance (CarieScan ® ), tomographic imaging and image processing. Most fluorescent caries detection tools can discriminate between healthy and carious dental tissue, demonstrating different levels of sensitivity and specificity. Based on the fluorescence principle, an LED camera (Soprolife ® ) was developed (Sopro-Acteon, La Ciotat, France) which combined magnification, fluorescence, picture acquisition and an innovative therapeutic concept called light-induced fluorescence evaluator for diagnosis and treatment (LIFEDT). This article is rounded off by a Soprolife ® illustration about minimally or even non-invasive dental techniques, distinguishing those that preserve or reinforce the enamel and enamel-dentine structures without any preparation (MIT1-minimally invasive therapy 1) from those that require minimum preparation of the dental tissues (MIT2 -minimally invasive therapy 2) using several clinical cases as examples. MIT1 encompasses all the dental techniques aimed at disinfection, remineralizing, reversing and sealing the caries process and MIT2 involves a series of specific tools, including microburs, air abrasion devices, sonic and ultrasonic inserts and photo-activated disinfection to achieve minimal preparation of the tooth. With respect to minimally invasive treatment and prevention, the use of lasers is discussed. Furthermore, while most practices operate under a surgical model, Caries Management by Risk Assessment (CaMBRA) encourages a medical model of disease prevention and management to control the manifestation of the disease, or keep the oral environment in a state of balance between pathological and preventive factors. Early detection and diagnosis and prediction of lesion activity are of great interest and may change traditional operative procedures substantially. Fluorescence tools with high levels of magnification and observational capacity should guide clinicians towards a more preventive and minimally invasive treatment strategy.

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“…These and other emerging methods have been reviewed in recent papers. 2,3 Optical coherence tomography (OCT) is a candidate method for early caries detection. It is a technique that can accomplish with light what visual inspection and probing with a sharp dental explorer are designed to do but in a nonsubjective manner.…”

Section: Introductionmentioning

confidence: 99%

Assessment of early demineralization in teeth using the signal attenuation in optical coherence tomography images

et al. 2008

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Optical coherence tomography imaging is used to improve the detection of incipient carious lesions in dental enamel. Measurements of signal attenuation in images acquired with an 850-nm light source were performed on 21 extracted molars from eight human volunteers. Stronger attenuation was observed for the optical coherence tomography (OCT) signal in healthy enamel than in carious lesions. The measured attenuation coefficients from the two groups form distinct statistical populations. The coefficients obtained from sound enamel fall within the range of 0.70 to 2.14 mm −1 with a mean value of 1.35 mm −1 , while those in carious regions range from 0.47 to 1.88 mm −1 , with a mean value of 0.77 mm −1 . Three values are selected as the lower threshold for signal attenuation in sound enamel: 0.99, 0.94, and 0.88 mm −1 . These thresholds were selected to provide detection of sound enamel with fixed specificities of 90%, 95%, and 97.5%, respectively. The corresponding sensitivities for the detection of carious lesions are 92.8%, 90.4%, and 87%, respectively, for the sample population used in this study. These findings suggest that attenuation of OCT signal at 850 nm could be an indicator of tooth demineralization and could be used as a marker for early caries detection.

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A Review of Potential New Diagnostic Modalities for Caries Lesions

Cited by 111 publications

References 13 publications

Relationship between fluorescence loss of QLF and depth of demineralization in an enamel erosion model

Relationship between fluorescence loss of QLF and depth of demineralization in an enamel erosion model

Use of new minimum intervention dentistry technologies in caries management

Assessment of early demineralization in teeth using the signal attenuation in optical coherence tomography images

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