It is generally NOT safe to swallow toothpastes, rinses, or other products containing topical fluoride. In rare cases, some people may be overexposed to high concentrations of fluoride, resulting in a relatively harmless condition called fluorosis, which leaves dark enamel stains on teeth.
In rare cases, some people may be overexposed to high concentrations of fluoride, resulting in a relatively harmless condition called fluorosis, which leaves dark enamel stains on teeth.
