Demonstration of an optical dentin hardness measuring device

What is it about?

A hardness meter using an indenter with light for tooth monitoring (HAMILTOM) is proposed as an optical device.

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Why is it important?

The results demonstrate that HAMILTOM may be a suitable alternative to the conventional method. Unlike the conventional method, which cannot be used for in vivo teeth, HAMILTOM holds potential to quantitatively evaluate the progress of caries in in vivo teeth.