1. A review of tooth colour and whiteness;Joiner;J. Dent.,2008
2. Tooth color: a review of the literature;Joiner;J. Dent.,2004
3. A comparison of new and conventional methods for quantification of tooth color;Van der Burgt;J. Prosthet. Dent.,1990
4. Micrometric measurements by scanning electron microscope (SEM) for dental age estimation in adults;Kedici;J. Forensic Odonto-Stomatol.,2000
5. Tooth color and reflectance as related to light scattering and enamel hardness;ten Bosch;J. Dent. Res.,1995