New Caries Diagnostic Methods

Neuhaus, Klaus W.; Lussi, Adrian (2016). New Caries Diagnostic Methods. In: Goldberg, Michel (ed.) Understanding Dental Caries (pp. 53-61). Springer 10.1007/978-3-319-30552-3_6

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Several noninvasive physicochemical methods have been developed during
the last two decades to detect, measure, and monitor early caries
lesions. Among these, the laser-induced fl uorescence method is probably
the best-tested technology. Many methods that are presented in this chapter
are based on simple physical facts of the caries process. Demineralized
enamel is more porous than sound enamel. Transmitted light is scattered
in this region, and measuring the differences between refl ected light of
carious and sound enamel renders both qualitative and quantitative ways
to detect lesions. Fluorescence is another phenomenon that can be measured
for caries diagnostic purposes. For caries and caries-causing bacteria,
characteristic fl uorescence can be caused by specifi c wavelengths.
This chapter focuses on (laser-)light-induced caries detection methods.

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