Human teeth with and without dental caries studied by visible luminescent spectroscopy.

@article{Alfano1981HumanTW,
  title={Human teeth with and without dental caries studied by visible luminescent spectroscopy.},
  author={Robert R. Alfano and Stanton S. Yao},
  journal={Journal of dental research},
  year={1981},
  volume={60 2},
  pages={120-2}
}
The visible emission spectra and fluorescent life-time from decayed and nondecayed regions of teeth were measured and compared. The spectrum from carious lesions is different from that of noncarious tooth regions. This may offer a non-X-ray method for diagnosing dental caries in humans.