Answers are grounded in this paper and cite their sources.
The luminescence spectra were obtained for a series of porcelain teeth and powders currently used in this country. Comparison was made between the spectra of these materials and the spectra of plastic teeth and natural tooth structures. It was found that many of the porcelain teeth and powders have strikingly different luminescence characteristics than those of natural teeth.
No takes yet. Share an insight, caveat, or question.
Wozniak et al. (1978) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: