Fig. 3
Brushing with a charcoal toothpaste. As brushing progresses, the dark grey slurry of toothpaste: a) may become a foamy grey lather; b) may create a greenish tinge
Fig. 3 | BDJ Team
Brushing with a charcoal toothpaste. As brushing progresses, the dark grey slurry of toothpaste: a) may become a foamy grey lather; b) may create a greenish tinge
