Detection of Occlusal Caries by Laser Fluorescence: Basic and Clinical Investigations

Hibst, Raimund; Paulus, Robert; Lussi, Adrian

doi:10.1078/1615-1615-00024

Cited by 182 publications

(217 citation statements)

References 17 publications

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“…[3][4][5][6] These methods are based on the phenomenon of fluorescence, because caries tissues emit fluorescence with different intensities from healthy tissues when excited by lights at specific wavelengths. 3,7,8 Both devices, DIAGNOdent 2095 and DIAGNOdent 2190 (LF and LFpen, Kavo, Biberach, Germany), have been developed aiming the detection and quantification of occlusal as well as approximal caries lesions. These devices have shown controversial results depending on the methodology used in the studies.…”

Section: Introductionmentioning

confidence: 99%

Light-emitting diode and laser fluorescence–based devices in detecting occlusal caries

et al. 2011

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Abstract. The aim of this study was to assess the performance of two light-emitting diode (LED)-and two laser fluorescence-based devices in detecting occlusal caries in vitro. Ninety-seven permanent molars were assessed twice by two examiners using two LED-(Midwest Caries -MID and VistaProof -VP) and two laser fluorescencebased (DIAGNOdent 2095 -LF and DIAGNOdent pen 2190 -LFpen) devices. After measuring, the teeth were histologically prepared and classified according to lesion extension. At D1 the specificities were 0.76 ( Both LF devices seemed to be useful auxiliary tools to the conventional methods, presenting good reproducibility and better accuracy at D 3 threshold. MID was not able to differentiate sound surfaces from enamel caries and VP still needs improvement on the cut-off limits for its use. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Section: Introductionmentioning

confidence: 99%

Light-emitting diode and laser fluorescence–based devices in detecting occlusal caries

et al. 2011

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“…Due to this measuring principle, it allows dentist to follow carious lesion's evolution more rapidly. Another advantage of this device is the use of blue light as detecting tool, which seems to be more effective than the red light used by the DIAGNOdent in detecting porphyrin activity [21]. It seems, in fact, that DIAGNOdent as well as VistaProof do not measure the intrinsic changes in enamel structure.…”

Section: Discussionmentioning

confidence: 99%

Caries diagnosis using light fluorescence devices: VistaProof and DIAGNOdent

et al. 2013

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The modern concept of minimally invasive dentistry encompasses early detection of incipient carious lesions and their treatment. Due to the low sensitivity of visual inspection and radiography in the detection of occlusal hidden carious lesions under a macroscopically sound surface, several devices have been developed to increase detection accuracy. DIAGNOdent is one of the tools used for that purpose and VistaProof is a new device recently introduced into the market. They both use light fluorescence to detect incipient carious lesions. DIAGNOdent is based on the fact that carious lesions show higher level of fluorescence than sound tissues when excited by light at specific wavelength. Vistaproof is based on the same principle, but it uses a different wavelength of excitation than DIAGNOdent and a video camera for the detection of fluorescence. The aim of this article was to compare these two devices and present their clinical use.

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“…Moreover, an objective method could be less influenced by examiner's experience than would visual inspection. 4 Considering that LFpen and QLF (red fluorescence measurement) are methods based on the fluorescence emitted by microorganisms present in the caries lesions, 9,11,15 and since active caries lesions are more infected than inactive ones, 16 this possibility would be plausible. The old version of the LF method used with different drying times had been tested for this purpose previously, 28 but this methodology was not compared with visual inspection.…”

Section: Discussionmentioning

confidence: 99%

“…Higher values indicate more severe carious lesions. 9 Even though these methods have been good at detecting occlusal and approximal caries lesions, 8 they have not outperformed visual inspection. 8 10 Another FBM is quantitative light-induced fluorescence (QLF), in which a blue light is emitted, capturing the back-scattered fluorescence in the green and red spectra.…”

Section: Introductionmentioning

confidence: 99%

“…3,7,8 One of these FBMs is diode laser fluorescence (LF), the first method launched in the market to detect occlusal carious lesions. 7,9 After that, a pen-type laser fluorescence (LFpen) device was introduced for the detection of carious lesions on both occlusal and approximal surfaces. 8 This device is based on a diode laser emitting a red light with a wavelength of approximately 655 nm, at which the dental tissue emits fluorescence, indicated on a numerical scale from 0 to 99.…”

Section: Introductionmentioning

confidence: 99%

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Clinical performance of fluorescence-based methods for detection of occlusal caries lesions in primary teeth

et al. 2017

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We aimed to investigate the performance of fluorescencebased methods (FBMs), compared to visual inspection after histological validation, in detecting and assessing the activity status of occlusal carious lesions in primary teeth. One examiner evaluated 50 primary molars close to exfoliation in 24 children. Teeth were assessed using quantitative light-induced fluorescence (QLF) and pen-type laser fluorescence (LFpen). After exfoliation, histological validation was performed. Teeth were cut and sections were evaluated for lesion depth and activity status (after utilization of a pH indicator) under a stereomicroscope. Parameters related to the performance of the methods in detecting caries lesions at two thresholds (initial and dentin lesions) were calculated. Regarding the activity status, lesions were classified into sound+inactive or active, and the area under the ROC curve and the diagnostic odds ratio values of the methods were calculated and compared. Evaluation of red fluorescence using QLF presented higher sensitivity but lower specificity than visual inspection in detecting dentin caries lesions. However, QLF considering different parameters and LFpen had similar performance to that obtained with visual inspection. Regarding activity assessment, all FBMs and visual inspection also presented similar performance. In conclusion, FBMs did not prove advantageous for the detection and activity assessment of occlusal caries lesions in primary molars when compared to visual inspection.

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Detection of Occlusal Caries by Laser Fluorescence: Basic and Clinical Investigations

Cited by 182 publications

References 17 publications

Light-emitting diode and laser fluorescence–based devices in detecting occlusal caries

Light-emitting diode and laser fluorescence–based devices in detecting occlusal caries

Caries diagnosis using light fluorescence devices: VistaProof and DIAGNOdent

Clinical performance of fluorescence-based methods for detection of occlusal caries lesions in primary teeth

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