Alnusayri MO, Sghaireen MG, Mathew M, et al. Shade selection in esthetic dentistry: A review. Cureus 2022;14(3):e23331. DOI: 10.7759/cureus.23331.
Sirintawat N, Leelaratrungruang T, Poovarodom P, et al. The accuracy and reliability of tooth shade selection using different instrumental techniques: An in vitro study. Sensors 2021;21(22):7490. DOI: 10.3390/s21227490.
Tam WK, Lee HJ. Accurate shade image matching by using a smartphone camera. J Prosthodont Res 2017;61(2):168–176. DOI: 10.1016/j.jpor.2016.07.004.