Black pigmentation in primary dentition: Case report and literature review

Publication date: Available online 22 November 2014 Source:Pediatric Dental Journal Author(s): Yukiko Takashima , Yuki Matsumi , Yoshie Yamasaki , Keiko Hirano , Kanako Yanagida , Kazuyo Fujita , Michiyo Matsumoto-Nakano Black tooth staining is an extrinsic discoloration found in both primary and permanent dentition, and seen as dark pigmented lines extending to the gingival margin or an incomplete coalescence of dark dots that rarely extend beyond the cervical third of the crown. An association between black tooth staining and Actinomyces bacterial strains has been reported, while black-pigmented bacteria associated with such staining are known to be harbored in the oral cavity. Prevotella intermedia and Prevotella nigrescens are black-pigmented bacteria known to be dependent on the hem…
MedWorm: Dentistry