https://prostaglandine2chemica....l.com/regulating-pol
METHODS In all of four experimental legs of four weeks 20 members wore intraoral mandibular devices containing two (highly demineralized [EH]) bovine enamel and four (lowly and very demineralized [DL,DH]) bovine dentin specimens (letter = 48. Each specimen included one sound (ST) plus one demineralized lesion area (DT). The four randomly allocated treatments included the next dentifrices fluoride-free, zinc-carbonate-nano-hydroxyapatite [nHA0], 0 ppm F- [negative control,NaF0