DREIZEN, S The in vitro production of a yellow-brown melanin-like pigment in the organic matrix of noncarious human tooth crowns by methylglyoxal and acetol. [electronic resource] - Journal of dental research Feb 1949 - 26-30 p. digital Publication Type: Journal Article ISSN: 0022-0345 Standard No.: 10.1177/00220345490280010301 doi Subjects--Topical Terms: AcetoneCrownsHumansIn Vitro TechniquesMelaninsPyruvaldehydeToothTooth Crown