Edition V01N02 | Year 2011 | Editorial Endo in Endo | Pages 11 to 20
Natural tooth color is yellowish, and its hue var- ies from tooth to tooth in the same patient and much more intensely between different patients. In addi- tion to the yellow shades classified as normal, dif- ferent hues have been seen and classified as truly abnormal or pathological changes in tooth color: Excessively yellowish, brownish, bluish, grayish and even blackish
Consolaro A, Francischone LA, Consolaro RB, Intra JBG, Roldi A. Calciic metamorphosis and aseptic necrosis of the pulp: Differential diagnosis of tooth discoloration. Dental Press Endod. 2011 July-Sept;1(2):11-20.