Source: NASA
09-21-2008 16:09
With the need for foamless toothpaste that could be swallowed after use-practical for the zero-gravity environment, the ingestible toothpaste is developed.
Children, as well as certain patients who are bedridden, wheelchair-confined, or with oral facial paralysis whose ability to expectorate is limited, all benefit from this innovative solution as well.
Editor:Liu Fang