MAKING A DIFFERENCE: LASER ASSISTED DIAGNOSIS OF CARIES, SCORING CARIES ACTIVITY, AND ASSESSMENT OF PULP VITALITY

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DE MOOR ROELAND J.G.

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Journal: JOURNAL OF LASERS IN MEDICAL SCIENCES Year:2018 | Volume:9 | Issue:SUPPL A (9TH WORLD CONGRESS OF SOLA) Page(s): 7-7

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Title

MAKING A DIFFERENCE: LASER ASSISTED DIAGNOSIS OF CARIES, SCORING CARIES ACTIVITY, AND ASSESSMENT OF PULP VITALITY

Author(s)

DE MOOR ROELAND J.G.

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Abstract

Background: Timely diagnosis of disease is the mainstay of comprehensive diagnosis. Early detection of caries, the assessment and the judgment of the activity of the lesions are important parameters during decision making as the start of minimal intervention procedures. This also accounts for the timely diagnosis of pulpal disease and the determination and correct evaluation of pulp vitality in its different stages in trauma cases. The question does laser light will provide us with valueadded technology to make the difference with conventional diagnostic means and devices. The aim of this presentation is to demonstrate how the use of lasers can make a difference with conventional diagnostic means in the field of caries diagnosis and determination of caries activity in order to install minimal invasive treatment and to avoid pulpal exposure during excavation in deep caries lesions.Methods: The information presented is supported by present-day research and up-to-date scientific data i.e. findings in the peer-reviewed literature with impact factor and data coming from investigations conducted at the Ghent Dental Laser Centre.Results: When enamel, dentine and substances in caries lesions are exposed, to laser light of a specific wavelength, fluorescence may be induced. This principle is at the basis of e.g. caries diagnostic methods such as DIAGNOdent and Quantitative Laser (Light-induced) Fluorescence (QLF). Bacterial porphyrins evoke fluorescence when illuminated with red light and the intensity of the emitted light is related to the size of the caries lesion. QLF is based on the fluorescence decrease in demineralized enamel upon exposure to blue-violet laser light. The intensity of the emitted light is related to the amount of mineral loss in the caries lesion. Like the DIAGNOdent, QLF is particularly suitable to monitor caries lesions. DIAGNOdent is also shown to be applicable for caries diagnosis during extensive caries removal. In deep caries lesions in unfilled teeth, laser fluorescence is of help to make a distinction between the affected and infected layer and hence, the application of the stepwise excavation technique with a far lower risk of pulp exposure than with complete caries removal. An early determination of pulpal vitality is crucial with respect to a correct differential diagnosis of revascularisation or necrosis and its treatment. The use of sensibility tests in combination with X-ray is commonly promoted. However, these tests are arbitrary, based on sensations, and therefore not always reliable. In such situation, registration of pulpal blood flow will be more than an added value. Recent investigations at GDLC have also demonstrated that it was possible to register the diurnal variations in the pulpal blood flow. The latter appears to be an important parameter during the follow-up of trauma cases.Conclusion: It has been demonstrated that laser fluorescence devices have better accuracy in detecting more advanced caries lesions and that the methods are efficacious individually. The use of laser fluorescence during stepwise excavation appeared to be very helpful in avoiding pulp exposure during caries removal in deep caries lesions extending close to the pulp. Laser Doppler Flowmetry (LDF) is a non-invasive technique with direct and objective registrations. Despite a low implementation of LDF in dentistry, this technique has proven to be an indisputable basic asset of a dental (trauma) clinic.

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APA: Copy

DE MOOR, ROELAND J.G.. (2018). MAKING A DIFFERENCE: LASER ASSISTED DIAGNOSIS OF CARIES, SCORING CARIES ACTIVITY, AND ASSESSMENT OF PULP VITALITY. JOURNAL OF LASERS IN MEDICAL SCIENCES, 9(SUPPL A (9TH WORLD CONGRESS OF SOLA)), 7-7. SID. https://sid.ir/paper/326092/en

Vancouver: Copy

DE MOOR ROELAND J.G.. MAKING A DIFFERENCE: LASER ASSISTED DIAGNOSIS OF CARIES, SCORING CARIES ACTIVITY, AND ASSESSMENT OF PULP VITALITY. JOURNAL OF LASERS IN MEDICAL SCIENCES[Internet]. 2018;9(SUPPL A (9TH WORLD CONGRESS OF SOLA)):7-7. Available from: https://sid.ir/paper/326092/en

IEEE: Copy

ROELAND J.G. DE MOOR, “MAKING A DIFFERENCE: LASER ASSISTED DIAGNOSIS OF CARIES, SCORING CARIES ACTIVITY, AND ASSESSMENT OF PULP VITALITY,” JOURNAL OF LASERS IN MEDICAL SCIENCES, vol. 9, no. SUPPL A (9TH WORLD CONGRESS OF SOLA), pp. 7–7, 2018, [Online]. Available: https://sid.ir/paper/326092/en

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