@misc{miscc1a53d19, title = {Calculation of whiteness and yellowness indexes using colorimetric and photographic methods for tooth shade evaluation}, author = {Nogueira, Marcelo Saito and Bagnato, Vanderlei Salvador and Panhóca, Vitor Hugo}, year = {2020}, doi = {10.1117/12.2546999}, publisher = {International Society for Optical Engineering - SPIE}, booktitle = {Photonics West} }