[Prevalence of exogenous pigmentations and caries by intake of ferric supplements in primary dentition].
Javier Berrocal-OblitasGuido Alberto Perona-Miguel de PriegoMónica M Huamán-PalaciosPublished in: Revista cientifica odontologica (Universidad Cientifica del Sur) (2024)
A significant relationship was found between the Ceod index and extrinsic black pigmentation (p<0.001).