Have you ever wondered whether Astronauts need good teeth? The answer is YES. I partnered with @crest to explain why! Crest Densify protects your teeth by coating them to fill microscopic weak spots! This experiment shows you why tooth density is so important. #bringonthesmiles #crestpartner #stem #stemlife #science #scienceexperiments #learnontiktok #learntok #sciencetok #space #womeninstem #spacetravel #astronaut #rocket #rocketlaunch #spacethings #spacex #engineering